6399047468 has 24 divisors (see below), whose sum is σ = 12859331520. Its totient is φ = 2755570320.

The previous prime is 6399047467. The next prime is 6399047569. The reversal of 6399047468 is 8647409936.

It is a super-2 number, since 2×6399047468² = 81895616995434422048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6399047467) 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, 3826346 + ... + 3828017.

It is an arithmetic number, because the mean of its divisors is an integer number (535805480).

Almost surely, 2^6399047468 is an apocalyptic number.

It is an amenable number.

6399047468 is an abundant number, since it is smaller than the sum of its proper divisors (6460284052).

6399047468 is a wasteful number, since it uses less digits than its factorization.

6399047468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654397 (or 7654395 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 6399047468 is about 79994.0464534705. The cubic root of 6399047468 is about 1856.5434192523.

The spelling of 6399047468 in words is "six billion, three hundred ninety-nine million, forty-seven thousand, four hundred sixty-eight".