2861791199 has 2 divisors, whose sum is σ = 2861791200. Its totient is φ = 2861791198.

The previous prime is 2861791157. The next prime is 2861791213. The reversal of 2861791199 is 9911971682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2861791199 - 2²⁰ = 2860742623 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2861791199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2861791139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430895599 + 1430895600.

It is an arithmetic number, because the mean of its divisors is an integer number (1430895600).

Almost surely, 2^2861791199 is an apocalyptic number.

2861791199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2861791199 is an equidigital number, since it uses as much as digits as its factorization.

2861791199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 53.

The square root of 2861791199 is about 53495.7119683438. The cubic root of 2861791199 is about 1419.7525190279.

The spelling of 2861791199 in words is "two billion, eight hundred sixty-one million, seven hundred ninety-one thousand, one hundred ninety-nine".