2113687366 has 16 divisors (see below), whose sum is σ = 3642439680. Its totient is φ = 901122120.

The previous prime is 2113687361. The next prime is 2113687369. The reversal of 2113687366 is 6637863112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113687361) 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, 392556 + ... + 397903.

It is an arithmetic number, because the mean of its divisors is an integer number (227652480).

Almost surely, 2^2113687366 is an apocalyptic number.

2113687366 is a deficient number, since it is larger than the sum of its proper divisors (1528752314).

2113687366 is a wasteful number, since it uses less digits than its factorization.

2113687366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790659.

The product of its digits is 217728, while the sum is 43.

The square root of 2113687366 is about 45974.8558018402. The cubic root of 2113687366 is about 1283.3553256627.

The spelling of 2113687366 in words is "two billion, one hundred thirteen million, six hundred eighty-seven thousand, three hundred sixty-six".