2144987935313 has 2 divisors, whose sum is σ = 2144987935314. Its totient is φ = 2144987935312.

The previous prime is 2144987935289. The next prime is 2144987935361. The reversal of 2144987935313 is 3135397894412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132847308609 + 1012140626704 = 1064353^2 + 1006052^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144987935313 - 2³² = 2140692968017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2144987931313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072493967656 + 1072493967657.

It is an arithmetic number, because the mean of its divisors is an integer number (1072493967657).

Almost surely, 2^{2144987935313} is an apocalyptic number.

It is an amenable number.

2144987935313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144987935313 is an equidigital number, since it uses as much as digits as its factorization.

2144987935313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The spelling of 2144987935313 in words is "two trillion, one hundred forty-four billion, nine hundred eighty-seven million, nine hundred thirty-five thousand, three hundred thirteen".