Fatto generale: 649 is the number of Pokémon as of Pokémon Black and White versions.
Fatto matematico: 649 is the smallest number n so that n^{2} is 1 more than 13 times a square.
Trivia: 649 is the number of Pokémon as of Pokémon Black and White versions.
Data storica: October 10th is the day in 1913 that President Woodrow Wilson triggers the explosion of the Gamboa Dike thus ending construction on the Panama Canal.