22413949538 has 6 divisors (see below), whose sum is σ = 33621241899. Its totient is φ = 11206868906.

The previous prime is 22413949501. The next prime is 22413949543. The reversal of 22413949538 is 83594931422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11206974769 + 11206974769 = 105863^2 + 105863^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105863.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158795 + ... + 264657.

Almost surely, 2^22413949538 is an apocalyptic number.

22413949538 is a deficient number, since it is larger than the sum of its proper divisors (11207292361).

22413949538 is an frugal number, since it uses more digits than its factorization.

22413949538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211728 (or 105865 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

Multiplying 22413949538 by its sum of digits (50), we get a square (1120697476900 = 1058630²).

The spelling of 22413949538 in words is "twenty-two billion, four hundred thirteen million, nine hundred forty-nine thousand, five hundred thirty-eight".