6464422957 has 8 divisors (see below), whose sum is σ = 6477831360. Its totient is φ = 6451030080.

The previous prime is 6464422949. The next prime is 6464423047. The reversal of 6464422957 is 7592244646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6464422957 - 2³ = 6464422949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6464422957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464422927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159258 + ... + 1164820.

It is an arithmetic number, because the mean of its divisors is an integer number (809728920).

Almost surely, 2^6464422957 is an apocalyptic number.

It is an amenable number.

6464422957 is a deficient number, since it is larger than the sum of its proper divisors (13408403).

6464422957 is a wasteful number, since it uses less digits than its factorization.

6464422957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7763.

The product of its digits is 2903040, while the sum is 49.

The square root of 6464422957 is about 80401.6352880960. The cubic root of 6464422957 is about 1862.8444316655.

The spelling of 6464422957 in words is "six billion, four hundred sixty-four million, four hundred twenty-two thousand, nine hundred fifty-seven".