495229025631 has 4 divisors (see below), whose sum is σ = 660305367512. Its totient is φ = 330152683752.

The previous prime is 495229025609. The next prime is 495229025639. The reversal of 495229025631 is 136520922594.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 495229025631 - 2²⁷ = 495094807903 is a prime.

It is a super-2 number, since 2×495229025631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495229025639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82538170936 + ... + 82538170941.

It is an arithmetic number, because the mean of its divisors is an integer number (165076341878).

Almost surely, 2^495229025631 is an apocalyptic number.

495229025631 is a deficient number, since it is larger than the sum of its proper divisors (165076341881).

495229025631 is a wasteful number, since it uses less digits than its factorization.

495229025631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165076341880.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 495229025631 in words is "four hundred ninety-five billion, two hundred twenty-nine million, twenty-five thousand, six hundred thirty-one".