21431147599932 has 96 divisors (see below), whose sum is σ = 59755955503104. Its totient is φ = 5845030699200.

The previous prime is 21431147599919. The next prime is 21431147599957. The reversal of 21431147599932 is 23999574113412.

It is a super-2 number, since 2×21431147599932² (a number of 27 digits) contains 22 as substring.

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, 10347444 + ... + 12244667.

It is an arithmetic number, because the mean of its divisors is an integer number (622457869824).

Almost surely, 2^{21431147599932} is an apocalyptic number.

It is an amenable number.

21431147599932 is an abundant number, since it is smaller than the sum of its proper divisors (38324807903172).

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

21431147599932 is a wasteful number, since it uses less digits than its factorization.

21431147599932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22592639 (or 22592637 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The spelling of 21431147599932 in words is "twenty-one trillion, four hundred thirty-one billion, one hundred forty-seven million, five hundred ninety-nine thousand, nine hundred thirty-two".