13813338747 has 8 divisors (see below), whose sum is σ = 19834537744. Its totient is φ = 8500516128.

The previous prime is 13813338727. The next prime is 13813338779. The reversal of 13813338747 is 74783331831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13813338747 - 2¹⁸ = 13813076603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13813338696 and 13813338705.

It is not an unprimeable number, because it can be changed into a prime (13813338727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177094048 + ... + 177094125.

It is an arithmetic number, because the mean of its divisors is an integer number (2479317218).

Almost surely, 2^13813338747 is an apocalyptic number.

13813338747 is a deficient number, since it is larger than the sum of its proper divisors (6021198997).

13813338747 is a wasteful number, since it uses less digits than its factorization.

13813338747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354188189.

The product of its digits is 1016064, while the sum is 48.

The spelling of 13813338747 in words is "thirteen billion, eight hundred thirteen million, three hundred thirty-eight thousand, seven hundred forty-seven".