13608888317 has 2 divisors, whose sum is σ = 13608888318. Its totient is φ = 13608888316.

The previous prime is 13608888259. The next prime is 13608888367. The reversal of 13608888317 is 71388880631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11470195801 + 2138692516 = 107099^2 + 46246^2 .

It is a cyclic number.

It is not a de Polignac number, because 13608888317 - 2⁶ = 13608888253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13608888367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6804444158 + 6804444159.

It is an arithmetic number, because the mean of its divisors is an integer number (6804444159).

Almost surely, 2^13608888317 is an apocalyptic number.

It is an amenable number.

13608888317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13608888317 is an equidigital number, since it uses as much as digits as its factorization.

13608888317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 13608888317 in words is "thirteen billion, six hundred eight million, eight hundred eighty-eight thousand, three hundred seventeen".