"I Want to Know What Love Is" by Mariah Carey is the longest running number 1 (27 weeks), followed by Beyoncé's "Halo" (the most played song in the country, in 2009).
Billboard Hot 100 | Red Hot Chili Peppers | ''Billboard'' Hot 100 | 100 metres | Hot Country Songs | Hot R&B/Hip-Hop Songs | Hot Springs, Arkansas | Hot Bird | Banco do Brasil | Hot Tuna | Some Like It Hot | Hot Water Music | Canada's Top 100 Employers | Red Hot Organization | Hot Springs | A History of the World in 100 Objects | The WB 100+ Station Group | Hot Hot Heat | National Hot Rod Association | Hot Wheels | Hot Rod Circuit | 1 vs. 100 | 100 | Miss Brasil | Hot Topic | Hot Fuzz | Hot Docs Canadian International Documentary Festival | Hot Dance Club Songs | Hot 97 | Cat on a Hot Tin Roof |
The overall chart is the Brasil Hot 100 Airplay, which is also split between regional music - forró, Axé, sertanejo, pagode - on Brasil Hot Popular Songs, and pop music - both Brazilian and foreign - on Brasil Hot Pop Songs.