634311272675 has 24 divisors (see below), whose sum is σ = 845558976000. Its totient is φ = 470512622880.

The previous prime is 634311272669. The next prime is 634311272723. The reversal of 634311272675 is 576272113436.

It is a happy number.

It is not a de Polignac number, because 634311272675 - 2⁴ = 634311272659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14183975 + ... + 14228624.

It is an arithmetic number, because the mean of its divisors is an integer number (35231624000).

Almost surely, 2^634311272675 is an apocalyptic number.

634311272675 is a deficient number, since it is larger than the sum of its proper divisors (211247703325).

634311272675 is a wasteful number, since it uses less digits than its factorization.

634311272675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28412675 (or 28412670 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The spelling of 634311272675 in words is "six hundred thirty-four billion, three hundred eleven million, two hundred seventy-two thousand, six hundred seventy-five".