838884954213 has 10 divisors (see below), whose sum is σ = 1253149129254. Its totient is φ = 559256636088.

The previous prime is 838884954181. The next prime is 838884954221. The reversal of 838884954213 is 312459488838.

838884954213 is a `hidden beast` number, since 8 + 3 + 8 + 8 + 84 + 9 + 542 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 598268216484 + 240616737729 = 773478^2 + 490527^2 .

It is not a de Polignac number, because 838884954213 - 2⁵ = 838884954181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838884954013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5178302106 + ... + 5178302267.

Almost surely, 2^838884954213 is an apocalyptic number.

It is an amenable number.

838884954213 is a deficient number, since it is larger than the sum of its proper divisors (414264175041).

838884954213 is a wasteful number, since it uses less digits than its factorization.

838884954213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356604385 (or 10356604376 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 63.

The spelling of 838884954213 in words is "eight hundred thirty-eight billion, eight hundred eighty-four million, nine hundred fifty-four thousand, two hundred thirteen".