64457574313 has 16 divisors (see below), whose sum is σ = 73520649216. Its totient is φ = 55938522640.

The previous prime is 64457574287. The next prime is 64457574341. The reversal of 64457574313 is 31347575446.

64457574313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64457574313 - 2¹⁷ = 64457443241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64457574343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125995 + ... + 380512.

It is an arithmetic number, because the mean of its divisors is an integer number (4595040576).

Almost surely, 2^64457574313 is an apocalyptic number.

It is an amenable number.

64457574313 is a deficient number, since it is larger than the sum of its proper divisors (9063074903).

64457574313 is a wasteful number, since it uses less digits than its factorization.

64457574313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507044.

The product of its digits is 4233600, while the sum is 49.

The spelling of 64457574313 in words is "sixty-four billion, four hundred fifty-seven million, five hundred seventy-four thousand, three hundred thirteen".