12344144391 has 16 divisors (see below), whose sum is σ = 18334648800. Its totient is φ = 8208267264.

The previous prime is 12344144383. The next prime is 12344144399. The reversal of 12344144391 is 19344144321.

12344144391 is a `hidden beast` number, since 1 + 234 + 414 + 4 + 3 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (12344144383) and next prime (12344144399).

It is not a de Polignac number, because 12344144391 - 2³ = 12344144383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344144399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577146 + ... + 598151.

It is an arithmetic number, because the mean of its divisors is an integer number (1145915550).

Almost surely, 2^12344144391 is an apocalyptic number.

12344144391 is a deficient number, since it is larger than the sum of its proper divisors (5990504409).

12344144391 is a wasteful number, since it uses less digits than its factorization.

12344144391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175695 (or 1175689 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 12344144391 in words is "twelve billion, three hundred forty-four million, one hundred forty-four thousand, three hundred ninety-one".