50881984931 has 2 divisors, whose sum is σ = 50881984932. Its totient is φ = 50881984930.

The previous prime is 50881984927. The next prime is 50881984939. The reversal of 50881984931 is 13948918805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50881984931 - 2² = 50881984927 is a prime.

It is a super-2 number, since 2×50881984931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50881984939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25440992465 + 25440992466.

It is an arithmetic number, because the mean of its divisors is an integer number (25440992466).

Almost surely, 2^50881984931 is an apocalyptic number.

50881984931 is a deficient number, since it is larger than the sum of its proper divisors (1).

50881984931 is an equidigital number, since it uses as much as digits as its factorization.

50881984931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 50881984931 in words is "fifty billion, eight hundred eighty-one million, nine hundred eighty-four thousand, nine hundred thirty-one".