21190374592 has 28 divisors (see below), whose sum is σ = 42625681576. Its totient is φ = 10450045440.

The previous prime is 21190374581. The next prime is 21190374613. The reversal of 21190374592 is 29547309112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263134 + ... + 2272477.

Almost surely, 2^21190374592 is an apocalyptic number.

It is an amenable number.

21190374592 is an abundant number, since it is smaller than the sum of its proper divisors (21435306984).

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

21190374592 is an equidigital number, since it uses as much as digits as its factorization.

21190374592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535696 (or 4535686 counting only the distinct ones).

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

The spelling of 21190374592 in words is "twenty-one billion, one hundred ninety million, three hundred seventy-four thousand, five hundred ninety-two".