6399314961 has 12 divisors (see below), whose sum is σ = 9239248368. Its totient is φ = 3938039664.

The previous prime is 6399314959. The next prime is 6399315017. The reversal of 6399314961 is 1694139936.

It is not a de Polignac number, because 6399314961 - 2¹ = 6399314959 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6399314941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6310455 + ... + 6311468.

It is an arithmetic number, because the mean of its divisors is an integer number (769937364).

Almost surely, 2^6399314961 is an apocalyptic number.

It is an amenable number.

6399314961 is a deficient number, since it is larger than the sum of its proper divisors (2839933407).

6399314961 is a wasteful number, since it uses less digits than its factorization.

6399314961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621952 (or 12621939 counting only the distinct ones).

The product of its digits is 944784, while the sum is 51.

The square root of 6399314961 is about 79995.7183916739. The cubic root of 6399314961 is about 1856.5692879695.

The spelling of 6399314961 in words is "six billion, three hundred ninety-nine million, three hundred fourteen thousand, nine hundred sixty-one".