495688350931 has 2 divisors, whose sum is σ = 495688350932. Its totient is φ = 495688350930.

The previous prime is 495688350923. The next prime is 495688350943. The reversal of 495688350931 is 139053886594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495688350931 - 2³ = 495688350923 is a prime.

It is a super-2 number, since 2×495688350931² (a number of 24 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 495688350931.

It is not a weakly prime, because it can be changed into another prime (495688350901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247844175465 + 247844175466.

It is an arithmetic number, because the mean of its divisors is an integer number (247844175466).

Almost surely, 2^495688350931 is an apocalyptic number.

495688350931 is a deficient number, since it is larger than the sum of its proper divisors (1).

495688350931 is an equidigital number, since it uses as much as digits as its factorization.

495688350931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 495688350931 in words is "four hundred ninety-five billion, six hundred eighty-eight million, three hundred fifty thousand, nine hundred thirty-one".