6456980764 has 24 divisors (see below), whose sum is σ = 12294387728. Its totient is φ = 2949419520.

The previous prime is 6456980753. The next prime is 6456980771. The reversal of 6456980764 is 4670896546.

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, 635022 + ... + 645109.

Almost surely, 2^6456980764 is an apocalyptic number.

It is an amenable number.

6456980764 is a deficient number, since it is larger than the sum of its proper divisors (5837406964).

6456980764 is a wasteful number, since it uses less digits than its factorization.

6456980764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280245 (or 1280243 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The square root of 6456980764 is about 80355.3406065832. The cubic root of 6456980764 is about 1862.1292881030.

The spelling of 6456980764 in words is "six billion, four hundred fifty-six million, nine hundred eighty thousand, seven hundred sixty-four".