It is a happy number.
49963409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49963409 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 49963409.
Almost surely, 249963409 is an apocalyptic number.
It is an amenable number.
49963409 is an equidigital number, since it uses as much as digits as its factorization.
49963409 is an odious number, because the sum of its binary digits is odd.
The square root of 49963409 is about 7068.4799638961. The cubic root of 49963409 is about 368.3132596683.
The spelling of 49963409 in words is "forty-nine million, nine hundred sixty-three thousand, four hundred nine".