13445352317 has 2 divisors, whose sum is σ = 13445352318. Its totient is φ = 13445352316.

The previous prime is 13445352257. The next prime is 13445352373. The reversal of 13445352317 is 71325354431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13445330116 + 22201 = 115954^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 13445352317 - 2⁶ = 13445352253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13445312317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722676158 + 6722676159.

It is an arithmetic number, because the mean of its divisors is an integer number (6722676159).

Almost surely, 2^13445352317 is an apocalyptic number.

It is an amenable number.

13445352317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13445352317 is an equidigital number, since it uses as much as digits as its factorization.

13445352317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 38.

The spelling of 13445352317 in words is "thirteen billion, four hundred forty-five million, three hundred fifty-two thousand, three hundred seventeen".