13440403013 has 2 divisors, whose sum is σ = 13440403014. Its totient is φ = 13440403012.

The previous prime is 13440402979. The next prime is 13440403037. The reversal of 13440403013 is 31030404431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9194316769 + 4246086244 = 95887^2 + 65162^2 .

It is a cyclic number.

It is not a de Polignac number, because 13440403013 - 2⁸ = 13440402757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13440403013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13440403913) 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, 6720201506 + 6720201507.

It is an arithmetic number, because the mean of its divisors is an integer number (6720201507).

Almost surely, 2^13440403013 is an apocalyptic number.

It is an amenable number.

13440403013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13440403013 is an equidigital number, since it uses as much as digits as its factorization.

13440403013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13440403013 its reverse (31030404431), we get a palindrome (44470807444).

The spelling of 13440403013 in words is "thirteen billion, four hundred forty million, four hundred three thousand, thirteen".