13499175197 has 2 divisors, whose sum is σ = 13499175198. Its totient is φ = 13499175196.

The previous prime is 13499175187. The next prime is 13499175211. The reversal of 13499175197 is 79157199431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9586172281 + 3913002916 = 97909^2 + 62554^2 .

It is a cyclic number.

It is not a de Polignac number, because 13499175197 - 2⁴ = 13499175181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13499175187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6749587598 + 6749587599.

It is an arithmetic number, because the mean of its divisors is an integer number (6749587599).

Almost surely, 2^13499175197 is an apocalyptic number.

It is an amenable number.

13499175197 is a deficient number, since it is larger than the sum of its proper divisors (1).

13499175197 is an equidigital number, since it uses as much as digits as its factorization.

13499175197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 56.

The spelling of 13499175197 in words is "thirteen billion, four hundred ninety-nine million, one hundred seventy-five thousand, one hundred ninety-seven".