13331043344413 has 2 divisors, whose sum is σ = 13331043344414. Its totient is φ = 13331043344412.

The previous prime is 13331043344407. The next prime is 13331043344429. The reversal of 13331043344413 is 31444334013331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12614018830884 + 717024513529 = 3551622^2 + 846773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331043344413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13331043344813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665521672206 + 6665521672207.

It is an arithmetic number, because the mean of its divisors is an integer number (6665521672207).

Almost surely, 2^{13331043344413} is an apocalyptic number.

It is an amenable number.

13331043344413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331043344413 is an equidigital number, since it uses as much as digits as its factorization.

13331043344413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 13331043344413 its reverse (31444334013331), we get a palindrome (44775377357744).

The spelling of 13331043344413 in words is "thirteen trillion, three hundred thirty-one billion, forty-three million, three hundred forty-four thousand, four hundred thirteen".