13206343338 has 24 divisors (see below), whose sum is σ = 30119731200. Its totient is φ = 4170424104.

The previous prime is 13206343327. The next prime is 13206343391. The reversal of 13206343338 is 83334360231.

13206343338 is a `hidden beast` number, since 13 + 2 + 0 + 634 + 3 + 3 + 3 + 8 = 666.

13206343338 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13206343338² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19307178 + ... + 19307861.

It is an arithmetic number, because the mean of its divisors is an integer number (1254988800).

Almost surely, 2^13206343338 is an apocalyptic number.

13206343338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13206343338 is an abundant number, since it is smaller than the sum of its proper divisors (16913387862).

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

13206343338 is a wasteful number, since it uses less digits than its factorization.

13206343338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38615066 (or 38615063 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 13206343338 in words is "thirteen billion, two hundred six million, three hundred forty-three thousand, three hundred thirty-eight".