2190109118 has 4 divisors (see below), whose sum is σ = 3285163680. Its totient is φ = 1095054558.

The previous prime is 2190109037. The next prime is 2190109121. The reversal of 2190109118 is 8119010912.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547527278 + ... + 547527281.

It is an arithmetic number, because the mean of its divisors is an integer number (821290920).

Almost surely, 2^2190109118 is an apocalyptic number.

2190109118 is a deficient number, since it is larger than the sum of its proper divisors (1095054562).

2190109118 is a wasteful number, since it uses less digits than its factorization.

2190109118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095054561.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 2190109118 is about 46798.6016671439. The cubic root of 2190109118 is about 1298.6394282075.

The spelling of 2190109118 in words is "two billion, one hundred ninety million, one hundred nine thousand, one hundred eighteen".