2117534386 has 16 divisors (see below), whose sum is σ = 3470338080. Its totient is φ = 961048480.

The previous prime is 2117534371. The next prime is 2117534411. The reversal of 2117534386 is 6834357112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58531 + ... + 87526.

It is an arithmetic number, because the mean of its divisors is an integer number (216896130).

Almost surely, 2^2117534386 is an apocalyptic number.

2117534386 is a deficient number, since it is larger than the sum of its proper divisors (1352803694).

2117534386 is a wasteful number, since it uses less digits than its factorization.

2117534386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146729.

The product of its digits is 120960, while the sum is 40.

The square root of 2117534386 is about 46016.6750863206. The cubic root of 2117534386 is about 1284.1334447378.

The spelling of 2117534386 in words is "two billion, one hundred seventeen million, five hundred thirty-four thousand, three hundred eighty-six".