2344404131491 has 2 divisors, whose sum is σ = 2344404131492. Its totient is φ = 2344404131490.

The previous prime is 2344404131471. The next prime is 2344404131513. The reversal of 2344404131491 is 1941314044432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2344404131491 - 2¹⁵ = 2344404098723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2344404131431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172202065745 + 1172202065746.

It is an arithmetic number, because the mean of its divisors is an integer number (1172202065746).

Almost surely, 2^{2344404131491} is an apocalyptic number.

2344404131491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2344404131491 is an equidigital number, since it uses as much as digits as its factorization.

2344404131491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 2344404131491 in words is "two trillion, three hundred forty-four billion, four hundred four million, one hundred thirty-one thousand, four hundred ninety-one".