21300524364 has 48 divisors (see below), whose sum is σ = 57732582656. Its totient is φ = 5986094400.

The previous prime is 21300524363. The next prime is 21300524369. The reversal of 21300524364 is 46342500312.

It is not an unprimeable number, because it can be changed into a prime (21300524363) 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, 2073382 + ... + 2083629.

Almost surely, 2^21300524364 is an apocalyptic number.

It is an amenable number.

21300524364 is an abundant number, since it is smaller than the sum of its proper divisors (36432058292).

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

21300524364 is a wasteful number, since it uses less digits than its factorization.

21300524364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157086 (or 4157084 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 21300524364 in words is "twenty-one billion, three hundred million, five hundred twenty-four thousand, three hundred sixty-four".