6513072004 has 12 divisors (see below), whose sum is σ = 11411150800. Its totient is φ = 3252743208.

The previous prime is 6513071993. The next prime is 6513072061. The reversal of 6513072004 is 4002703156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944334 + ... + 951205.

Almost surely, 2^6513072004 is an apocalyptic number.

It is an amenable number.

6513072004 is a deficient number, since it is larger than the sum of its proper divisors (4898078796).

6513072004 is a wasteful number, since it uses less digits than its factorization.

6513072004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896402 (or 1896400 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6513072004 is about 80703.6058921781. The cubic root of 6513072004 is about 1867.5058022420.

The spelling of 6513072004 in words is "six billion, five hundred thirteen million, seventy-two thousand, four".