2113080194 has 4 divisors (see below), whose sum is σ = 3169620294. Its totient is φ = 1056540096.

The previous prime is 2113080169. The next prime is 2113080209. The reversal of 2113080194 is 4910803112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2060706025 + 52374169 = 45395^2 + 7237^2 .

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 as a sum of consecutive naturals, namely, 528270047 + ... + 528270050.

Almost surely, 2^2113080194 is an apocalyptic number.

2113080194 is a deficient number, since it is larger than the sum of its proper divisors (1056540100).

2113080194 is a wasteful number, since it uses less digits than its factorization.

2113080194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056540099.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 2113080194 is about 45968.2520224557. The cubic root of 2113080194 is about 1283.2324295246.

The spelling of 2113080194 in words is "two billion, one hundred thirteen million, eighty thousand, one hundred ninety-four".