21710995432 has 32 divisors (see below), whose sum is σ = 46534521600. Its totient is φ = 9302520384.

The previous prime is 21710995399. The next prime is 21710995507. The reversal of 21710995432 is 23459901712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206494 + ... + 293362.

It is an arithmetic number, because the mean of its divisors is an integer number (1454203800).

Almost surely, 2^21710995432 is an apocalyptic number.

It is an amenable number.

21710995432 is an abundant number, since it is smaller than the sum of its proper divisors (24823526168).

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

21710995432 is a wasteful number, since it uses less digits than its factorization.

21710995432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91345 (or 91341 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 21710995432 in words is "twenty-one billion, seven hundred ten million, nine hundred ninety-five thousand, four hundred thirty-two".