2108988864 has 84 divisors (see below), whose sum is σ = 6307903056. Its totient is φ = 672427008.

The previous prime is 2108988821. The next prime is 2108988883. The reversal of 2108988864 is 4688898012.

It is a super-3 number, since 3×2108988864³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2108988864.

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 11 ways as a sum of consecutive naturals, for example, 66349 + ... + 92844.

It is an arithmetic number, because the mean of its divisors is an integer number (75094084).

Almost surely, 2^2108988864 is an apocalyptic number.

2108988864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2108988864 is an abundant number, since it is smaller than the sum of its proper divisors (4198914192).

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

2108988864 is a wasteful number, since it uses less digits than its factorization.

2108988864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159234 (or 159221 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The square root of 2108988864 is about 45923.7287684700. The cubic root of 2108988864 is about 1282.4036994367.

The spelling of 2108988864 in words is "two billion, one hundred eight million, nine hundred eighty-eight thousand, eight hundred sixty-four".