13144863191 has 2 divisors, whose sum is σ = 13144863192. Its totient is φ = 13144863190.

The previous prime is 13144863163. The next prime is 13144863203. The reversal of 13144863191 is 19136844131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13144863191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13144863491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572431595 + 6572431596.

It is an arithmetic number, because the mean of its divisors is an integer number (6572431596).

Almost surely, 2^13144863191 is an apocalyptic number.

13144863191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144863191 is an equidigital number, since it uses as much as digits as its factorization.

13144863191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The spelling of 13144863191 in words is "thirteen billion, one hundred forty-four million, eight hundred sixty-three thousand, one hundred ninety-one".