6374566631 has 4 divisors (see below), whose sum is σ = 6394675992. Its totient is φ = 6354457272.

The previous prime is 6374566613. The next prime is 6374566657. The reversal of 6374566631 is 1366654736.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6374566631 is a prime.

It is a super-2 number, since 2×6374566631² = 81270199466117380322, which 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 (6374566661) 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, 10054205 + ... + 10054838.

It is an arithmetic number, because the mean of its divisors is an integer number (1598668998).

Almost surely, 2^6374566631 is an apocalyptic number.

6374566631 is a deficient number, since it is larger than the sum of its proper divisors (20109361).

6374566631 is a wasteful number, since it uses less digits than its factorization.

6374566631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109360.

The product of its digits is 1632960, while the sum is 47.

The square root of 6374566631 is about 79840.8832052852. The cubic root of 6374566631 is about 1854.1728675110.

The spelling of 6374566631 in words is "six billion, three hundred seventy-four million, five hundred sixty-six thousand, six hundred thirty-one".