6407133872 has 20 divisors (see below), whose sum is σ = 12563388600. Its totient is φ = 3164969088.

The previous prime is 6407133853. The next prime is 6407133877. The reversal of 6407133872 is 2783317046.

It is not an unprimeable number, because it can be changed into a prime (6407133877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410997 + ... + 2413652.

It is an arithmetic number, because the mean of its divisors is an integer number (628169430).

Almost surely, 2^6407133872 is an apocalyptic number.

It is an amenable number.

6407133872 is a deficient number, since it is larger than the sum of its proper divisors (6156254728).

6407133872 is a wasteful number, since it uses less digits than its factorization.

6407133872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824740 (or 4824734 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 6407133872 is about 80044.5742820836. The cubic root of 6407133872 is about 1857.3251210511.

The spelling of 6407133872 in words is "six billion, four hundred seven million, one hundred thirty-three thousand, eight hundred seventy-two".