6458388968 has 24 divisors (see below), whose sum is σ = 12512723490. Its totient is φ = 3125023200.

The previous prime is 6458388953. The next prime is 6458388977. The reversal of 6458388968 is 8698838546.

It can be written as a sum of positive squares in only one way, i.e., 4727662564 + 1730726404 = 68758^2 + 41602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412343 + ... + 427718.

Almost surely, 2^6458388968 is an apocalyptic number.

It is an amenable number.

6458388968 is a deficient number, since it is larger than the sum of its proper divisors (6054334522).

6458388968 is a wasteful number, since it uses less digits than its factorization.

6458388968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840129 (or 840094 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 65.

The square root of 6458388968 is about 80364.1024836338. The cubic root of 6458388968 is about 1862.2646489577.

The spelling of 6458388968 in words is "six billion, four hundred fifty-eight million, three hundred eighty-eight thousand, nine hundred sixty-eight".