64957602863964 has 24 divisors (see below), whose sum is σ = 151572568969360. Its totient is φ = 21651844437504.

The previous prime is 64957602863941. The next prime is 64957602863983. The reversal of 64957602863964 is 46936820675946.

64957602863964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85838899 + ... + 86592330.

Almost surely, 2^{64957602863964} is an apocalyptic number.

It is an amenable number.

64957602863964 is an abundant number, since it is smaller than the sum of its proper divisors (86614966105396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64957602863964 is a wasteful number, since it uses less digits than its factorization.

64957602863964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172462629 (or 172462627 counting only the distinct ones).

The product of its (nonzero) digits is 2821754880, while the sum is 75.

The spelling of 64957602863964 in words is "sixty-four trillion, nine hundred fifty-seven billion, six hundred two million, eight hundred sixty-three thousand, nine hundred sixty-four".