6456974797 has 16 divisors (see below), whose sum is σ = 8058984192. Its totient is φ = 5036855040.

The previous prime is 6456974761. The next prime is 6456974803. The reversal of 6456974797 is 7974796546.

It is not a de Polignac number, because 6456974797 - 2¹⁵ = 6456942029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456974707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493228 + ... + 506149.

It is an arithmetic number, because the mean of its divisors is an integer number (503686512).

Almost surely, 2^6456974797 is an apocalyptic number.

It is an amenable number.

6456974797 is a deficient number, since it is larger than the sum of its proper divisors (1602009395).

6456974797 is a wasteful number, since it uses less digits than its factorization.

6456974797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999468.

The product of its digits is 80015040, while the sum is 64.

The square root of 6456974797 is about 80355.3034777419. The cubic root of 6456974797 is about 1862.1287144949.

The spelling of 6456974797 in words is "six billion, four hundred fifty-six million, nine hundred seventy-four thousand, seven hundred ninety-seven".