13838227859394 has 24 divisors (see below), whose sum is σ = 30793173706620. Its totient is φ = 4488073900128.

The previous prime is 13838227859383. The next prime is 13838227859447. The reversal of 13838227859394 is 49395872283831.

13838227859394 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 8 + 2 + 27 + 8 + 593 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13788782555625 + 49445303769 = 3713325^2 + 222363^2 .

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, 10389059289 + ... + 10389060620.

Almost surely, 2^{13838227859394} is an apocalyptic number.

13838227859394 is an abundant number, since it is smaller than the sum of its proper divisors (16954945847226).

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

13838227859394 is a wasteful number, since it uses less digits than its factorization.

13838227859394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20778119954 (or 20778119951 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 72.

The spelling of 13838227859394 in words is "thirteen trillion, eight hundred thirty-eight billion, two hundred twenty-seven million, eight hundred fifty-nine thousand, three hundred ninety-four".