21092613496 has 16 divisors (see below), whose sum is σ = 41268157200. Its totient is φ = 10087771584.

The previous prime is 21092613491. The next prime is 21092613499. The reversal of 21092613496 is 69431629012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21092613491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57316701 + ... + 57317068.

It is an arithmetic number, because the mean of its divisors is an integer number (2579259825).

Almost surely, 2^21092613496 is an apocalyptic number.

It is an amenable number.

21092613496 is a deficient number, since it is larger than the sum of its proper divisors (20175543704).

21092613496 is a wasteful number, since it uses less digits than its factorization.

21092613496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114633798 (or 114633794 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

It can be divided in two parts, 210926 and 13496, that added together give a palindrome (224422).

The spelling of 21092613496 in words is "twenty-one billion, ninety-two million, six hundred thirteen thousand, four hundred ninety-six".