2108881194 has 32 divisors (see below), whose sum is σ = 4822695936. Its totient is φ = 602238000.

The previous prime is 2108881163. The next prime is 2108881217. The reversal of 2108881194 is 4911888012.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81319 + ... + 104069.

It is an arithmetic number, because the mean of its divisors is an integer number (150709248).

Almost surely, 2^2108881194 is an apocalyptic number.

2108881194 is an abundant number, since it is smaller than the sum of its proper divisors (2713814742).

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

2108881194 is a wasteful number, since it uses less digits than its factorization.

2108881194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24970.

The product of its (nonzero) digits is 36864, while the sum is 42.

The square root of 2108881194 is about 45922.5564837151. The cubic root of 2108881194 is about 1282.3818755889.

The spelling of 2108881194 in words is "two billion, one hundred eight million, eight hundred eighty-one thousand, one hundred ninety-four".