2190993612 has 24 divisors (see below), whose sum is σ = 5157563376. Its totient is φ = 723867648.

The previous prime is 2190993559. The next prime is 2190993613. The reversal of 2190993612 is 2163990912.

It is not an unprimeable number, because it can be changed into a prime (2190993613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806533 + ... + 809244.

It is an arithmetic number, because the mean of its divisors is an integer number (214898474).

Almost surely, 2^2190993612 is an apocalyptic number.

It is an amenable number.

2190993612 is an abundant number, since it is smaller than the sum of its proper divisors (2966569764).

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

2190993612 is a wasteful number, since it uses less digits than its factorization.

2190993612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615897 (or 1615895 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 2190993612 is about 46808.0507177985. The cubic root of 2190993612 is about 1298.8142268326.

The spelling of 2190993612 in words is "two billion, one hundred ninety million, nine hundred ninety-three thousand, six hundred twelve".