50718695431 has 2 divisors, whose sum is σ = 50718695432. Its totient is φ = 50718695430.

The previous prime is 50718695429. The next prime is 50718695459. The reversal of 50718695431 is 13459681705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50718695431 - 2¹ = 50718695429 is a prime.

It is a super-2 number, since 2×50718695431² (a number of 22 digits) contains 22 as substring.

Together with 50718695429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50718695411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25359347715 + 25359347716.

It is an arithmetic number, because the mean of its divisors is an integer number (25359347716).

Almost surely, 2^50718695431 is an apocalyptic number.

50718695431 is a deficient number, since it is larger than the sum of its proper divisors (1).

50718695431 is an equidigital number, since it uses as much as digits as its factorization.

50718695431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 50718695431 in words is "fifty billion, seven hundred eighteen million, six hundred ninety-five thousand, four hundred thirty-one".