6479893736 has 32 divisors (see below), whose sum is σ = 12206625480. Its totient is φ = 3224832000.

The previous prime is 6479893669. The next prime is 6479893769. The reversal of 6479893736 is 6373989746.

It can be written as a sum of positive squares in 4 ways, for example, as 5955208900 + 524684836 = 77170^2 + 22906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669430 + ... + 1673306.

Almost surely, 2^6479893736 is an apocalyptic number.

It is an amenable number.

6479893736 is a deficient number, since it is larger than the sum of its proper divisors (5726731744).

6479893736 is a wasteful number, since it uses less digits than its factorization.

6479893736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805 (or 4801 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 62.

The square root of 6479893736 is about 80497.7871497099. The cubic root of 6479893736 is about 1864.3293125612.

The spelling of 6479893736 in words is "six billion, four hundred seventy-nine million, eight hundred ninety-three thousand, seven hundred thirty-six".