6464758056 has 32 divisors (see below), whose sum is σ = 17012522400. Its totient is φ = 2041502400.

The previous prime is 6464757973. The next prime is 6464758081. The reversal of 6464758056 is 6508574646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7088095 + ... + 7089006.

It is an arithmetic number, because the mean of its divisors is an integer number (531641325).

Almost surely, 2^6464758056 is an apocalyptic number.

It is an amenable number.

6464758056 is an abundant number, since it is smaller than the sum of its proper divisors (10547764344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6464758056 is a wasteful number, since it uses less digits than its factorization.

6464758056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14177129 (or 14177125 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The square root of 6464758056 is about 80403.7191677101. The cubic root of 6464758056 is about 1862.8766194583.

The spelling of 6464758056 in words is "six billion, four hundred sixty-four million, seven hundred fifty-eight thousand, fifty-six".