2108337918 has 16 divisors (see below), whose sum is σ = 4400009856. Its totient is φ = 672223640.

The previous prime is 2108337911. The next prime is 2108337923. The reversal of 2108337918 is 8197338012.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2108337918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108337911) 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, 7638768 + ... + 7639043.

It is an arithmetic number, because the mean of its divisors is an integer number (275000616).

Almost surely, 2^2108337918 is an apocalyptic number.

2108337918 is an abundant number, since it is smaller than the sum of its proper divisors (2291671938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2108337918 is a wasteful number, since it uses less digits than its factorization.

2108337918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277839.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 2108337918 is about 45916.6409703497. The cubic root of 2108337918 is about 1282.2717465575.

The spelling of 2108337918 in words is "two billion, one hundred eight million, three hundred thirty-seven thousand, nine hundred eighteen".