13806339938 has 16 divisors (see below), whose sum is σ = 20764111104. Its totient is φ = 6884987040.

The previous prime is 13806339871. The next prime is 13806339941. The reversal of 13806339938 is 83993360831.

13806339938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×13806339938⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13806339938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374631 + ... + 2380437.

It is an arithmetic number, because the mean of its divisors is an integer number (1297756944).

Almost surely, 2^13806339938 is an apocalyptic number.

13806339938 is a deficient number, since it is larger than the sum of its proper divisors (6957771166).

13806339938 is a wasteful number, since it uses less digits than its factorization.

13806339938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 13806339938 in words is "thirteen billion, eight hundred six million, three hundred thirty-nine thousand, nine hundred thirty-eight".