2791133830 has 32 divisors (see below), whose sum is σ = 5126793408. Its totient is φ = 1093824000.

The previous prime is 2791133819. The next prime is 2791133837. The reversal of 2791133830 is 383311972.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2791133830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791133837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97570 + ... + 122890.

It is an arithmetic number, because the mean of its divisors is an integer number (160212294).

Almost surely, 2^2791133830 is an apocalyptic number.

2791133830 is a deficient number, since it is larger than the sum of its proper divisors (2335659578).

2791133830 is a wasteful number, since it uses less digits than its factorization.

2791133830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25552.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2791133830 is about 52831.1823642061. The cubic root of 2791133830 is about 1407.9704936756.

The spelling of 2791133830 in words is "two billion, seven hundred ninety-one million, one hundred thirty-three thousand, eight hundred thirty".