13613202439 has 2 divisors, whose sum is σ = 13613202440. Its totient is φ = 13613202438.

The previous prime is 13613202413. The next prime is 13613202461. The reversal of 13613202439 is 93420231631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13613202439 - 2¹⁹ = 13612678151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13613202139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6806601219 + 6806601220.

It is an arithmetic number, because the mean of its divisors is an integer number (6806601220).

Almost surely, 2^13613202439 is an apocalyptic number.

13613202439 is a deficient number, since it is larger than the sum of its proper divisors (1).

13613202439 is an equidigital number, since it uses as much as digits as its factorization.

13613202439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 13613202439 in words is "thirteen billion, six hundred thirteen million, two hundred two thousand, four hundred thirty-nine".