2108518992 has 80 divisors (see below), whose sum is σ = 6057975360. Its totient is φ = 702172800.

The previous prime is 2108518967. The next prime is 2108519009. The reversal of 2108518992 is 2998158012.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 698767 + ... + 701777.

It is an arithmetic number, because the mean of its divisors is an integer number (75724692).

Almost surely, 2^2108518992 is an apocalyptic number.

It is an amenable number.

2108518992 is an abundant number, since it is smaller than the sum of its proper divisors (3949456368).

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

2108518992 is a wasteful number, since it uses less digits than its factorization.

2108518992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 2108518992 is about 45918.6126968139. The cubic root of 2108518992 is about 1282.3084546875.

The spelling of 2108518992 in words is "two billion, one hundred eight million, five hundred eighteen thousand, nine hundred ninety-two".