2113684938585 has 320 divisors, whose sum is σ = 4471639603200. Its totient is φ = 944112153600.

The previous prime is 2113684938517. The next prime is 2113684938641. The reversal of 2113684938585 is 5858394863112.

2113684938585 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 6 + 8 + 49 + 3 + 8 + 585 = 666.

It is not a de Polignac number, because 2113684938585 - 2¹⁷ = 2113684807513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1315297852 + ... + 1315299458.

It is an arithmetic number, because the mean of its divisors is an integer number (13973873760).

Almost surely, 2^{2113684938585} is an apocalyptic number.

It is an amenable number.

2113684938585 is an abundant number, since it is smaller than the sum of its proper divisors (2357954664615).

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

2113684938585 is a wasteful number, since it uses less digits than its factorization.

2113684938585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2065 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 2113684938585 in words is "two trillion, one hundred thirteen billion, six hundred eighty-four million, nine hundred thirty-eight thousand, five hundred eighty-five".