21093758232 has 32 divisors (see below), whose sum is σ = 52885518000. Its totient is φ = 7011103104.

The previous prime is 21093758221. The next prime is 21093758243. The reversal of 21093758232 is 23285739012.

It is an interprime number because it is at equal distance from previous prime (21093758221) and next prime (21093758243).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250803 + ... + 1267554.

Almost surely, 2^21093758232 is an apocalyptic number.

It is an amenable number.

21093758232 is an abundant number, since it is smaller than the sum of its proper divisors (31791759768).

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

21093758232 is a wasteful number, since it uses less digits than its factorization.

21093758232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518715 (or 2518711 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 21093758232 in words is "twenty-one billion, ninety-three million, seven hundred fifty-eight thousand, two hundred thirty-two".