2099892979 has 2 divisors, whose sum is σ = 2099892980. Its totient is φ = 2099892978.

The previous prime is 2099892959. The next prime is 2099892983. The reversal of 2099892979 is 9792989902.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099892979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2099892979.

It is not a weakly prime, because it can be changed into another prime (2099892959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049946489 + 1049946490.

It is an arithmetic number, because the mean of its divisors is an integer number (1049946490).

Almost surely, 2^2099892979 is an apocalyptic number.

2099892979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099892979 is an equidigital number, since it uses as much as digits as its factorization.

2099892979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13226976, while the sum is 64.

The square root of 2099892979 is about 45824.5892398393. The cubic root of 2099892979 is about 1280.5574108302.

The spelling of 2099892979 in words is "two billion, ninety-nine million, eight hundred ninety-two thousand, nine hundred seventy-nine".