2190793886 has 4 divisors (see below), whose sum is σ = 3286190832. Its totient is φ = 1095396942.

The previous prime is 2190793883. The next prime is 2190793889. The reversal of 2190793886 is 6883970912.

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

It is an interprime number because it is at equal distance from previous prime (2190793883) and next prime (2190793889).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190793883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547698470 + ... + 547698473.

It is an arithmetic number, because the mean of its divisors is an integer number (821547708).

Almost surely, 2^2190793886 is an apocalyptic number.

2190793886 is a deficient number, since it is larger than the sum of its proper divisors (1095396946).

2190793886 is a wasteful number, since it uses less digits than its factorization.

2190793886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095396945.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 2190793886 is about 46805.9172113954. The cubic root of 2190793886 is about 1298.7747599819.

The spelling of 2190793886 in words is "two billion, one hundred ninety million, seven hundred ninety-three thousand, eight hundred eighty-six".