2149156594 has 16 divisors (see below), whose sum is σ = 3505424832. Its totient is φ = 982286928.

The previous prime is 2149156579. The next prime is 2149156631. The reversal of 2149156594 is 4956519412.

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, 398584 + ... + 403939.

It is an arithmetic number, because the mean of its divisors is an integer number (219089052).

Almost surely, 2^2149156594 is an apocalyptic number.

2149156594 is a deficient number, since it is larger than the sum of its proper divisors (1356268238).

2149156594 is a wasteful number, since it uses less digits than its factorization.

2149156594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802641.

The product of its digits is 388800, while the sum is 46.

The square root of 2149156594 is about 46358.9969045923. The cubic root of 2149156594 is about 1290.4940907223.

The spelling of 2149156594 in words is "two billion, one hundred forty-nine million, one hundred fifty-six thousand, five hundred ninety-four".