6464322315 has 128 divisors (see below), whose sum is σ = 12908160000. Its totient is φ = 3042800640.

The previous prime is 6464322313. The next prime is 6464322349. The reversal of 6464322315 is 5132234646.

6464322315 is a `hidden beast` number, since 6 + 4 + 643 + 2 + 2 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 6464322315 - 2¹ = 6464322313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6464322315.

It is not an unprimeable number, because it can be changed into a prime (6464322313) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7797321 + ... + 7798149.

It is an arithmetic number, because the mean of its divisors is an integer number (100845000).

Almost surely, 2^6464322315 is an apocalyptic number.

6464322315 is a deficient number, since it is larger than the sum of its proper divisors (6443837685).

6464322315 is a wasteful number, since it uses less digits than its factorization.

6464322315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 996 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 6464322315 is about 80401.0094153052. The cubic root of 6464322315 is about 1862.8347643235.

The spelling of 6464322315 in words is "six billion, four hundred sixty-four million, three hundred twenty-two thousand, three hundred fifteen".