64512513327 has 12 divisors (see below), whose sum is σ = 88880927640. Its totient is φ = 41620974480.

The previous prime is 64512513293. The next prime is 64512513353. The reversal of 64512513327 is 72331521546.

It is not a de Polignac number, because 64512513327 - 2¹¹ = 64512511279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64512513397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11185552 + ... + 11191317.

It is an arithmetic number, because the mean of its divisors is an integer number (7406743970).

Almost surely, 2^64512513327 is an apocalyptic number.

64512513327 is a deficient number, since it is larger than the sum of its proper divisors (24368414313).

64512513327 is a wasteful number, since it uses less digits than its factorization.

64512513327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22376934 (or 22376903 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The spelling of 64512513327 in words is "sixty-four billion, five hundred twelve million, five hundred thirteen thousand, three hundred twenty-seven".