13458169922 has 6 divisors (see below), whose sum is σ = 20187500979. Its totient is φ = 6729002930.

The previous prime is 13458169913. The next prime is 13458169943. The reversal of 13458169922 is 22996185431.

It can be written as a sum of positive squares in only one way, i.e., 6729084961 + 6729084961 = 82031^2 + 82031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=82031.

It is a super-2 number, since 2×13458169922² (a number of 21 digits) contains 22 as substring.

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, 123047 + ... + 205077.

Almost surely, 2^13458169922 is an apocalyptic number.

13458169922 is a deficient number, since it is larger than the sum of its proper divisors (6729331057).

13458169922 is an frugal number, since it uses more digits than its factorization.

13458169922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164064 (or 82033 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

Multiplying 13458169922 by its sum of digits (50), we get a square (672908496100 = 820310²).

The spelling of 13458169922 in words is "thirteen billion, four hundred fifty-eight million, one hundred sixty-nine thousand, nine hundred twenty-two".