6390264831 has 8 divisors (see below), whose sum is σ = 8569604400. Its totient is φ = 4235550912.

The previous prime is 6390264809. The next prime is 6390264833. The reversal of 6390264831 is 1384620936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6390264831 - 2⁵ = 6390264799 is a prime.

It is a super-2 number, since 2×6390264831² = 81670969220630917122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390264833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6155806 + ... + 6156843.

It is an arithmetic number, because the mean of its divisors is an integer number (1071200550).

Almost surely, 2^6390264831 is an apocalyptic number.

6390264831 is a deficient number, since it is larger than the sum of its proper divisors (2179339569).

6390264831 is a wasteful number, since it uses less digits than its factorization.

6390264831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12312825.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 6390264831 is about 79939.1320380701. The cubic root of 6390264831 is about 1855.6936671420.

The spelling of 6390264831 in words is "six billion, three hundred ninety million, two hundred sixty-four thousand, eight hundred thirty-one".