13104444554549 has 2 divisors, whose sum is σ = 13104444554550. Its totient is φ = 13104444554548.

The previous prime is 13104444554521. The next prime is 13104444554563. The reversal of 13104444554549 is 94545544440131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9698179356100 + 3406265198449 = 3114190^2 + 1845607^2 .

It is a cyclic number.

It is not a de Polignac number, because 13104444554549 - 2⁸ = 13104444554293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13104444554549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13104444584549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552222277274 + 6552222277275.

It is an arithmetic number, because the mean of its divisors is an integer number (6552222277275).

Almost surely, 2^{13104444554549} is an apocalyptic number.

It is an amenable number.

13104444554549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13104444554549 is an equidigital number, since it uses as much as digits as its factorization.

13104444554549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 13104444554549 in words is "thirteen trillion, one hundred four billion, four hundred forty-four million, five hundred fifty-four thousand, five hundred forty-nine".