64517253339 has 64 divisors (see below), whose sum is σ = 109233266688. Its totient is φ = 32899641600.

The previous prime is 64517253323. The next prime is 64517253341. The reversal of 64517253339 is 93335271546.

64517253339 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 64517253339 - 2⁴ = 64517253323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64517253349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3812992 + ... + 3829874.

It is an arithmetic number, because the mean of its divisors is an integer number (1706769792).

Almost surely, 2^64517253339 is an apocalyptic number.

64517253339 is a deficient number, since it is larger than the sum of its proper divisors (44716013349).

64517253339 is a wasteful number, since it uses less digits than its factorization.

64517253339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17208.

The product of its digits is 2041200, while the sum is 48.

The spelling of 64517253339 in words is "sixty-four billion, five hundred seventeen million, two hundred fifty-three thousand, three hundred thirty-nine".