64653064440275 has 12 divisors (see below), whose sum is σ = 80172927570000. Its totient is φ = 51720433704480.

The previous prime is 64653064440241. The next prime is 64653064440401. The reversal of 64653064440275 is 57204446035646.

It is not a de Polignac number, because 64653064440275 - 2¹⁶ = 64653064374739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64653064440275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49792400 + ... + 51074349.

It is an arithmetic number, because the mean of its divisors is an integer number (6681077297500).

Almost surely, 2^{64653064440275} is an apocalyptic number.

64653064440275 is a deficient number, since it is larger than the sum of its proper divisors (15519863129725).

64653064440275 is a wasteful number, since it uses less digits than its factorization.

64653064440275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100892398 (or 100892393 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 56.

The spelling of 64653064440275 in words is "sixty-four trillion, six hundred fifty-three billion, sixty-four million, four hundred forty thousand, two hundred seventy-five".