13469279238 has 40 divisors (see below), whose sum is σ = 30996883632. Its totient is φ = 4368412944.

The previous prime is 13469279237. The next prime is 13469279261. The reversal of 13469279238 is 83297296431.

13469279238 is a `hidden beast` number, since 1 + 346 + 9 + 279 + 23 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13469279237) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1117570 + ... + 1129557.

Almost surely, 2^13469279238 is an apocalyptic number.

13469279238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13469279238 is an abundant number, since it is smaller than the sum of its proper divisors (17527604394).

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

13469279238 is a wasteful number, since it uses less digits than its factorization.

13469279238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247178 (or 2247169 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 13469279238 in words is "thirteen billion, four hundred sixty-nine million, two hundred seventy-nine thousand, two hundred thirty-eight".