6549679804 has 12 divisors (see below), whose sum is σ = 11466331128. Its totient is φ = 3273585200.

The previous prime is 6549679733. The next prime is 6549679837. The reversal of 6549679804 is 4089769456.

It is a happy number.

It is a congruent number.

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, 301882 + ... + 322849.

It is an arithmetic number, because the mean of its divisors is an integer number (955527594).

Almost surely, 2^6549679804 is an apocalyptic number.

It is an amenable number.

6549679804 is a deficient number, since it is larger than the sum of its proper divisors (4916651324).

6549679804 is a wasteful number, since it uses less digits than its factorization.

6549679804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627356 (or 627354 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 6549679804 is about 80930.0920795226. The cubic root of 6549679804 is about 1870.9981425288.

The spelling of 6549679804 in words is "six billion, five hundred forty-nine million, six hundred seventy-nine thousand, eight hundred four".