5218570368864 has 96 divisors (see below), whose sum is σ = 15225715018080. Its totient is φ = 1738965196800.

The previous prime is 5218570368863. The next prime is 5218570368883. The reversal of 5218570368864 is 4688630758125.

5218570368864 is a `hidden beast` number, since 5 + 21 + 8 + 570 + 36 + 8 + 8 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218570368863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728904 + ... + 3664184.

It is an arithmetic number, because the mean of its divisors is an integer number (158601198105).

Almost surely, 2^{5218570368864} is an apocalyptic number.

5218570368864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5218570368864 is an abundant number, since it is smaller than the sum of its proper divisors (10007144649216).

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

5218570368864 is a wasteful number, since it uses less digits than its factorization.

5218570368864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938421 (or 1938407 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 5218570368864 in words is "five trillion, two hundred eighteen billion, five hundred seventy million, three hundred sixty-eight thousand, eight hundred sixty-four".