13489612361 has 2 divisors, whose sum is σ = 13489612362. Its totient is φ = 13489612360.

The previous prime is 13489612337. The next prime is 13489612429. The reversal of 13489612361 is 16321698431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13485015625 + 4596736 = 116125^2 + 2144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13489612361 is a prime.

It is not a weakly prime, because it can be changed into another prime (13489614361) 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, 6744806180 + 6744806181.

It is an arithmetic number, because the mean of its divisors is an integer number (6744806181).

Almost surely, 2^13489612361 is an apocalyptic number.

It is an amenable number.

13489612361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13489612361 is an equidigital number, since it uses as much as digits as its factorization.

13489612361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The spelling of 13489612361 in words is "thirteen billion, four hundred eighty-nine million, six hundred twelve thousand, three hundred sixty-one".