49625769931 has 2 divisors, whose sum is σ = 49625769932. Its totient is φ = 49625769930.

The previous prime is 49625769923. The next prime is 49625769971. The reversal of 49625769931 is 13996752694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49625769931 - 2³ = 49625769923 is a prime.

It is a super-2 number, since 2×49625769931² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49625769931.

It is not a weakly prime, because it can be changed into another prime (49625769971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24812884965 + 24812884966.

It is an arithmetic number, because the mean of its divisors is an integer number (24812884966).

Almost surely, 2^49625769931 is an apocalyptic number.

49625769931 is a deficient number, since it is larger than the sum of its proper divisors (1).

49625769931 is an equidigital number, since it uses as much as digits as its factorization.

49625769931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22044960, while the sum is 61.

The spelling of 49625769931 in words is "forty-nine billion, six hundred twenty-five million, seven hundred sixty-nine thousand, nine hundred thirty-one".