13838705518 has 64 divisors (see below), whose sum is σ = 24740640000. Its totient is φ = 5734713600.

The previous prime is 13838705501. The next prime is 13838705519. The reversal of 13838705518 is 81550783831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838705519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4010658 + ... + 4014106.

It is an arithmetic number, because the mean of its divisors is an integer number (386572500).

Almost surely, 2^13838705518 is an apocalyptic number.

13838705518 is a deficient number, since it is larger than the sum of its proper divisors (10901934482).

13838705518 is a wasteful number, since it uses less digits than its factorization.

13838705518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 13838705518 in words is "thirteen billion, eight hundred thirty-eight million, seven hundred five thousand, five hundred eighteen".