6397713956 has 48 divisors (see below), whose sum is σ = 11699318400. Its totient is φ = 3058311168.

The previous prime is 6397713863. The next prime is 6397713967. The reversal of 6397713956 is 6593177936.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7624985 + ... + 7625823.

It is an arithmetic number, because the mean of its divisors is an integer number (243735800).

Almost surely, 2^6397713956 is an apocalyptic number.

It is an amenable number.

6397713956 is a deficient number, since it is larger than the sum of its proper divisors (5301604444).

6397713956 is a wasteful number, since it uses less digits than its factorization.

6397713956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1714 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 56.

The square root of 6397713956 is about 79985.7109488939. The cubic root of 6397713956 is about 1856.4144471964.

The spelling of 6397713956 in words is "six billion, three hundred ninety-seven million, seven hundred thirteen thousand, nine hundred fifty-six".