13675197517 has 2 divisors, whose sum is σ = 13675197518. Its totient is φ = 13675197516.

The previous prime is 13675197479. The next prime is 13675197623. The reversal of 13675197517 is 71579157631.

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., 13675197481 + 36 = 116941^2 + 6^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13675197517 is a prime.

It is a super-2 number, since 2×13675197517² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13675197317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6837598758 + 6837598759.

It is an arithmetic number, because the mean of its divisors is an integer number (6837598759).

Almost surely, 2^13675197517 is an apocalyptic number.

It is an amenable number.

13675197517 is a deficient number, since it is larger than the sum of its proper divisors (1).

13675197517 is an equidigital number, since it uses as much as digits as its factorization.

13675197517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1389150, while the sum is 52.

The spelling of 13675197517 in words is "thirteen billion, six hundred seventy-five million, one hundred ninety-seven thousand, five hundred seventeen".