13444324393 has 2 divisors, whose sum is σ = 13444324394. Its totient is φ = 13444324392.

The previous prime is 13444324331. The next prime is 13444324417. The reversal of 13444324393 is 39342344431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13436750889 + 7573504 = 115917^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 13444324393 - 2²⁵ = 13410769961 is a prime.

It is not a weakly prime, because it can be changed into another prime (13444324793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722162196 + 6722162197.

It is an arithmetic number, because the mean of its divisors is an integer number (6722162197).

Almost surely, 2^13444324393 is an apocalyptic number.

It is an amenable number.

13444324393 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444324393 is an equidigital number, since it uses as much as digits as its factorization.

13444324393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 40.

The spelling of 13444324393 in words is "thirteen billion, four hundred forty-four million, three hundred twenty-four thousand, three hundred ninety-three".