2183118394 has 16 divisors (see below), whose sum is σ = 3385082880. Its totient is φ = 1054856880.

The previous prime is 2183118383. The next prime is 2183118397. The reversal of 2183118394 is 4938113812.

It is a super-2 number, since 2×2183118394² = 9532011844442278472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2183118397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20092 + ... + 69064.

It is an arithmetic number, because the mean of its divisors is an integer number (211567680).

Almost surely, 2^2183118394 is an apocalyptic number.

2183118394 is a deficient number, since it is larger than the sum of its proper divisors (1201964486).

2183118394 is a wasteful number, since it uses less digits than its factorization.

2183118394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49725.

The product of its digits is 41472, while the sum is 40.

The square root of 2183118394 is about 46723.8525166750. The cubic root of 2183118394 is about 1297.2562237187.

The spelling of 2183118394 in words is "two billion, one hundred eighty-three million, one hundred eighteen thousand, three hundred ninety-four".