2791894992 has 40 divisors (see below), whose sum is σ = 7348485024. Its totient is φ = 913071744.

The previous prime is 2791894981. The next prime is 2791894993. The reversal of 2791894992 is 2994981972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791894993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546178 + ... + 551265.

Almost surely, 2^2791894992 is an apocalyptic number.

It is an amenable number.

2791894992 is an abundant number, since it is smaller than the sum of its proper divisors (4556590032).

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

2791894992 is a wasteful number, since it uses less digits than its factorization.

2791894992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097507 (or 1097501 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 60.

The square root of 2791894992 is about 52838.3855922945. The cubic root of 2791894992 is about 1408.0984698910.

The spelling of 2791894992 in words is "two billion, seven hundred ninety-one million, eight hundred ninety-four thousand, nine hundred ninety-two".