50267872409 has 2 divisors, whose sum is σ = 50267872410. Its totient is φ = 50267872408.

The previous prime is 50267872397. The next prime is 50267872531. The reversal of 50267872409 is 90427876205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43836634384 + 6431238025 = 209372^2 + 80195^2 .

It is a cyclic number.

It is not a de Polignac number, because 50267872409 - 2⁴ = 50267872393 is a prime.

It is not a weakly prime, because it can be changed into another prime (50267872309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25133936204 + 25133936205.

It is an arithmetic number, because the mean of its divisors is an integer number (25133936205).

Almost surely, 2^50267872409 is an apocalyptic number.

It is an amenable number.

50267872409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50267872409 is an equidigital number, since it uses as much as digits as its factorization.

50267872409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 50267872409 in words is "fifty billion, two hundred sixty-seven million, eight hundred seventy-two thousand, four hundred nine".