2113574918 has 64 divisors (see below), whose sum is σ = 3998937600. Its totient is φ = 832509216.

The previous prime is 2113574917. The next prime is 2113574923. The reversal of 2113574918 is 8194753112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113574917) 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 31 ways as a sum of consecutive naturals, for example, 3094205 + ... + 3094887.

It is an arithmetic number, because the mean of its divisors is an integer number (62483400).

Almost surely, 2^2113574918 is an apocalyptic number.

2113574918 is a deficient number, since it is larger than the sum of its proper divisors (1885362682).

2113574918 is a wasteful number, since it uses less digits than its factorization.

2113574918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1052 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 2113574918 is about 45973.6328562362. The cubic root of 2113574918 is about 1283.3325671253.

The spelling of 2113574918 in words is "two billion, one hundred thirteen million, five hundred seventy-four thousand, nine hundred eighteen".