50391500099 has 2 divisors, whose sum is σ = 50391500100. Its totient is φ = 50391500098.

The previous prime is 50391500077. The next prime is 50391500167. The reversal of 50391500099 is 99000519305.

50391500099 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 not a de Polignac number, because 50391500099 - 2²⁴ = 50374722883 is a prime.

It is not a weakly prime, because it can be changed into another prime (50390500099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25195750049 + 25195750050.

It is an arithmetic number, because the mean of its divisors is an integer number (25195750050).

Almost surely, 2^50391500099 is an apocalyptic number.

50391500099 is a deficient number, since it is larger than the sum of its proper divisors (1).

50391500099 is an equidigital number, since it uses as much as digits as its factorization.

50391500099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54675, while the sum is 41.

The spelling of 50391500099 in words is "fifty billion, three hundred ninety-one million, five hundred thousand, ninety-nine".