2781093199 has 2 divisors, whose sum is σ = 2781093200. Its totient is φ = 2781093198.

The previous prime is 2781093187. The next prime is 2781093209. The reversal of 2781093199 is 9913901872.

2781093199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2781093199 - 2¹⁷ = 2780962127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2781093109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390546599 + 1390546600.

It is an arithmetic number, because the mean of its divisors is an integer number (1390546600).

Almost surely, 2^2781093199 is an apocalyptic number.

2781093199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2781093199 is an equidigital number, since it uses as much as digits as its factorization.

2781093199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 2781093199 is about 52736.0711373155. The cubic root of 2781093199 is about 1406.2801533906.

The spelling of 2781093199 in words is "two billion, seven hundred eighty-one million, ninety-three thousand, one hundred ninety-nine".