6439360956231 has 24 divisors (see below), whose sum is σ = 9990046642944. Its totient is φ = 3678726164400.

The previous prime is 6439360956187. The next prime is 6439360956253. The reversal of 6439360956231 is 1326590639346.

It is not a de Polignac number, because 6439360956231 - 2⁷ = 6439360956103 is a prime.

It is a super-2 number, since 2×6439360956231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6439360956331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4811215 + ... + 6002208.

It is an arithmetic number, because the mean of its divisors is an integer number (416251943456).

Almost surely, 2^{6439360956231} is an apocalyptic number.

6439360956231 is a deficient number, since it is larger than the sum of its proper divisors (3550685686713).

6439360956231 is a wasteful number, since it uses less digits than its factorization.

6439360956231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817491 (or 10817484 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 57.

The spelling of 6439360956231 in words is "six trillion, four hundred thirty-nine billion, three hundred sixty million, nine hundred fifty-six thousand, two hundred thirty-one".