2144797316191 has 2 divisors, whose sum is σ = 2144797316192. Its totient is φ = 2144797316190.

The previous prime is 2144797316099. The next prime is 2144797316203. The reversal of 2144797316191 is 1916137974412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144797316191 - 2⁷ = 2144797316063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144717316191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072398658095 + 1072398658096.

It is an arithmetic number, because the mean of its divisors is an integer number (1072398658096).

Almost surely, 2^{2144797316191} is an apocalyptic number.

2144797316191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144797316191 is an equidigital number, since it uses as much as digits as its factorization.

2144797316191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 55.

The spelling of 2144797316191 in words is "two trillion, one hundred forty-four billion, seven hundred ninety-seven million, three hundred sixteen thousand, one hundred ninety-one".