13021611413 has 2 divisors, whose sum is σ = 13021611414. Its totient is φ = 13021611412.

The previous prime is 13021611389. The next prime is 13021611467. The reversal of 13021611413 is 31411612031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8566983364 + 4454628049 = 92558^2 + 66743^2 .

It is a cyclic number.

It is not a de Polignac number, because 13021611413 - 2⁸ = 13021611157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13021611913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510805706 + 6510805707.

It is an arithmetic number, because the mean of its divisors is an integer number (6510805707).

Almost surely, 2^13021611413 is an apocalyptic number.

It is an amenable number.

13021611413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021611413 is an equidigital number, since it uses as much as digits as its factorization.

13021611413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 13021611413 in words is "thirteen billion, twenty-one million, six hundred eleven thousand, four hundred thirteen".