2806931872099 has 2 divisors, whose sum is σ = 2806931872100. Its totient is φ = 2806931872098.

The previous prime is 2806931872093. The next prime is 2806931872111. The reversal of 2806931872099 is 9902781396082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2806931872099 - 2⁵ = 2806931872067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2806931872099.

It is not a weakly prime, because it can be changed into another prime (2806931872093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403465936049 + 1403465936050.

It is an arithmetic number, because the mean of its divisors is an integer number (1403465936050).

Almost surely, 2^{2806931872099} is an apocalyptic number.

2806931872099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2806931872099 is an equidigital number, since it uses as much as digits as its factorization.

2806931872099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 2806931872099 in words is "two trillion, eight hundred six billion, nine hundred thirty-one million, eight hundred seventy-two thousand, ninety-nine".