6496972784 has 40 divisors (see below), whose sum is σ = 13257306240. Its totient is φ = 3075910848.

The previous prime is 6496972759. The next prime is 6496972799. The reversal of 6496972784 is 4872796946.

It is a super-4 number, since 4×6496972784⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

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, 745637 + ... + 754299.

It is an arithmetic number, because the mean of its divisors is an integer number (331432656).

Almost surely, 2^6496972784 is an apocalyptic number.

It is an amenable number.

6496972784 is an abundant number, since it is smaller than the sum of its proper divisors (6760333456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6496972784 is a wasteful number, since it uses less digits than its factorization.

6496972784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157 (or 11151 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 62.

The square root of 6496972784 is about 80603.8012999387. The cubic root of 6496972784 is about 1865.9658124588.

The spelling of 6496972784 in words is "six billion, four hundred ninety-six million, nine hundred seventy-two thousand, seven hundred eighty-four".