21933052885 has 32 divisors (see below), whose sum is σ = 28400025600. Its totient is φ = 16213454400.

The previous prime is 21933052861. The next prime is 21933052913. The reversal of 21933052885 is 58825033912.

It is not a de Polignac number, because 21933052885 - 2¹⁵ = 21933020117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2130300 + ... + 2140570.

It is an arithmetic number, because the mean of its divisors is an integer number (887500800).

Almost surely, 2^21933052885 is an apocalyptic number.

It is an amenable number.

21933052885 is a deficient number, since it is larger than the sum of its proper divisors (6466972715).

21933052885 is a wasteful number, since it uses less digits than its factorization.

21933052885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10929.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 21933052885 in words is "twenty-one billion, nine hundred thirty-three million, fifty-two thousand, eight hundred eighty-five".