2809840676 has 12 divisors (see below), whose sum is σ = 5031575472. Its totient is φ = 1372247688.

The previous prime is 2809840567. The next prime is 2809840679. The reversal of 2809840676 is 6760489082.

It is not an unprimeable number, because it can be changed into a prime (2809840679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8167970 + ... + 8168313.

It is an arithmetic number, because the mean of its divisors is an integer number (419297956).

Almost surely, 2^2809840676 is an apocalyptic number.

It is an amenable number.

2809840676 is a deficient number, since it is larger than the sum of its proper divisors (2221734796).

2809840676 is a wasteful number, since it uses less digits than its factorization.

2809840676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16336330 (or 16336328 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 2809840676 is about 53007.9303123599. The cubic root of 2809840676 is about 1411.1090106366.

The spelling of 2809840676 in words is "two billion, eight hundred nine million, eight hundred forty thousand, six hundred seventy-six".