6399320308875 has 48 divisors (see below), whose sum is σ = 12423213854688. Its totient is φ = 3150434606400.

The previous prime is 6399320308841. The next prime is 6399320308883. The reversal of 6399320308875 is 5788030239936.

It is not a de Polignac number, because 6399320308875 - 2²⁷ = 6399186091147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218765557 + ... + 218794806.

It is an arithmetic number, because the mean of its divisors is an integer number (258816955306).

Almost surely, 2^{6399320308875} is an apocalyptic number.

6399320308875 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6399320308875 is a deficient number, since it is larger than the sum of its proper divisors (6023893545813).

6399320308875 is a wasteful number, since it uses less digits than its factorization.

6399320308875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437560397 (or 437560384 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 6399320308875 in words is "six trillion, three hundred ninety-nine billion, three hundred twenty million, three hundred eight thousand, eight hundred seventy-five".