2779889683199 has 2 divisors, whose sum is σ = 2779889683200. Its totient is φ = 2779889683198.

The previous prime is 2779889683189. The next prime is 2779889683201. The reversal of 2779889683199 is 9913869889772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2779889683199 - 2¹² = 2779889679103 is a prime.

It is a Sophie Germain prime.

Together with 2779889683201, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2779889683199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2779889683189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389944841599 + 1389944841600.

It is an arithmetic number, because the mean of its divisors is an integer number (1389944841600).

Almost surely, 2^{2779889683199} is an apocalyptic number.

2779889683199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2779889683199 is an equidigital number, since it uses as much as digits as its factorization.

2779889683199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5925685248, while the sum is 86.

The spelling of 2779889683199 in words is "two trillion, seven hundred seventy-nine billion, eight hundred eighty-nine million, six hundred eighty-three thousand, one hundred ninety-nine".