12344844191 has 2 divisors, whose sum is σ = 12344844192. Its totient is φ = 12344844190.

The previous prime is 12344844167. The next prime is 12344844221. The reversal of 12344844191 is 19144844321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12344844191 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 (12344844101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172422095 + 6172422096.

It is an arithmetic number, because the mean of its divisors is an integer number (6172422096).

Almost surely, 2^12344844191 is an apocalyptic number.

12344844191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344844191 is an equidigital number, since it uses as much as digits as its factorization.

12344844191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The spelling of 12344844191 in words is "twelve billion, three hundred forty-four million, eight hundred forty-four thousand, one hundred ninety-one".