2291773642 has 16 divisors (see below), whose sum is σ = 3598539264. Its totient is φ = 1093302000.

The previous prime is 2291773637. The next prime is 2291773663. The reversal of 2291773642 is 2463771922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255909 + ... + 264712.

It is an arithmetic number, because the mean of its divisors is an integer number (224908704).

Almost surely, 2^2291773642 is an apocalyptic number.

2291773642 is a deficient number, since it is larger than the sum of its proper divisors (1306765622).

2291773642 is a wasteful number, since it uses less digits than its factorization.

2291773642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520725.

The product of its digits is 254016, while the sum is 43.

The square root of 2291773642 is about 47872.4726956943. The cubic root of 2291773642 is about 1318.4304964482.

The spelling of 2291773642 in words is "two billion, two hundred ninety-one million, seven hundred seventy-three thousand, six hundred forty-two".