13439759684453 has 2 divisors, whose sum is σ = 13439759684454. Its totient is φ = 13439759684452.

The previous prime is 13439759684437. The next prime is 13439759684489. The reversal of 13439759684453 is 35448695793431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7768584179524 + 5671175504929 = 2787218^2 + 2381423^2 .

It is a cyclic number.

It is not a de Polignac number, because 13439759684453 - 2⁴ = 13439759684437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13439759684653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6719879842226 + 6719879842227.

It is an arithmetic number, because the mean of its divisors is an integer number (6719879842227).

Almost surely, 2^{13439759684453} is an apocalyptic number.

It is an amenable number.

13439759684453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13439759684453 is an equidigital number, since it uses as much as digits as its factorization.

13439759684453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1175731200, while the sum is 71.

The spelling of 13439759684453 in words is "thirteen trillion, four hundred thirty-nine billion, seven hundred fifty-nine million, six hundred eighty-four thousand, four hundred fifty-three".