64295856513 has 24 divisors (see below), whose sum is σ = 110804652960. Its totient is φ = 36740488680.

The previous prime is 64295856463. The next prime is 64295856589. The reversal of 64295856513 is 31565859246.

64295856513 is a `hidden beast` number, since 6 + 4 + 2 + 9 + 585 + 6 + 51 + 3 = 666.

64295856513 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 64295856513 - 2²⁰ = 64294807937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64295856513.

It is not an unprimeable number, because it can be changed into a prime (64295856013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24297943 + ... + 24300588.

It is an arithmetic number, because the mean of its divisors is an integer number (4616860540).

Almost surely, 2^64295856513 is an apocalyptic number.

64295856513 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

64295856513 is a deficient number, since it is larger than the sum of its proper divisors (46508796447).

64295856513 is a wasteful number, since it uses less digits than its factorization.

64295856513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48598554 (or 48598541 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 64295856513 in words is "sixty-four billion, two hundred ninety-five million, eight hundred fifty-six thousand, five hundred thirteen".