2268991790 has 16 divisors (see below), whose sum is σ = 4398353568. Its totient is φ = 837781536.

The previous prime is 2268991771. The next prime is 2268991849. The reversal of 2268991790 is 971998622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8726762 + ... + 8727021.

It is an arithmetic number, because the mean of its divisors is an integer number (274897098).

Almost surely, 2^2268991790 is an apocalyptic number.

2268991790 is a deficient number, since it is larger than the sum of its proper divisors (2129361778).

2268991790 is a wasteful number, since it uses less digits than its factorization.

2268991790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17453803.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 2268991790 is about 47633.9352772789. The cubic root of 2268991790 is about 1314.0472291929.

The spelling of 2268991790 in words is "two billion, two hundred sixty-eight million, nine hundred ninety-one thousand, seven hundred ninety".