64373316688025 has 24 divisors (see below), whose sum is σ = 80898997132800. Its totient is φ = 50805464486400.

The previous prime is 64373316688013. The next prime is 64373316688033. The reversal of 64373316688025 is 52088661337346.

It is not a de Polignac number, because 64373316688025 - 2⁶ = 64373316687961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10807640 + ... + 15670089.

It is an arithmetic number, because the mean of its divisors is an integer number (3370791547200).

Almost surely, 2^{64373316688025} is an apocalyptic number.

It is an amenable number.

64373316688025 is a deficient number, since it is larger than the sum of its proper divisors (16525680444775).

64373316688025 is a wasteful number, since it uses less digits than its factorization.

64373316688025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26479049 (or 26479044 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 62.

The spelling of 64373316688025 in words is "sixty-four trillion, three hundred seventy-three billion, three hundred sixteen million, six hundred eighty-eight thousand, twenty-five".