2179120194 has 24 divisors (see below), whose sum is σ = 4791898800. Its totient is φ = 715531608.

The previous prime is 2179120189. The next prime is 2179120201. The reversal of 2179120194 is 4910219712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902244 + ... + 904655.

It is an arithmetic number, because the mean of its divisors is an integer number (199662450).

Almost surely, 2^2179120194 is an apocalyptic number.

2179120194 is an abundant number, since it is smaller than the sum of its proper divisors (2612778606).

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

2179120194 is a wasteful number, since it uses less digits than its factorization.

2179120194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806974 (or 1806971 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2179120194 is about 46681.0474818207. The cubic root of 2179120194 is about 1296.4638007632.

The spelling of 2179120194 in words is "two billion, one hundred seventy-nine million, one hundred twenty thousand, one hundred ninety-four".