13444634998013 has 2 divisors, whose sum is σ = 13444634998014. Its totient is φ = 13444634998012.

The previous prime is 13444634997943. The next prime is 13444634998117. The reversal of 13444634998013 is 31089943644431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10736513862244 + 2708121135769 = 3276662^2 + 1645637^2 .

It is a cyclic number.

It is not a de Polignac number, because 13444634998013 - 2¹² = 13444634993917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13444634998313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722317499006 + 6722317499007.

It is an arithmetic number, because the mean of its divisors is an integer number (6722317499007).

Almost surely, 2^{13444634998013} is an apocalyptic number.

It is an amenable number.

13444634998013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444634998013 is an equidigital number, since it uses as much as digits as its factorization.

13444634998013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 13444634998013 in words is "thirteen trillion, four hundred forty-four billion, six hundred thirty-four million, nine hundred ninety-eight thousand, thirteen".