17342706217 has 2 divisors, whose sum is σ = 17342706218. Its totient is φ = 17342706216.

The previous prime is 17342706151. The next prime is 17342706257. The reversal of 17342706217 is 71260724371.

It is an a-pointer prime, because the next prime (17342706257) can be obtained adding 17342706217 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12909277161 + 4433429056 = 113619^2 + 66584^2 .

It is a cyclic number.

It is not a de Polignac number, because 17342706217 - 2¹⁹ = 17342181929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17342706217.

It is not a weakly prime, because it can be changed into another prime (17342706257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8671353108 + 8671353109.

It is an arithmetic number, because the mean of its divisors is an integer number (8671353109).

Almost surely, 2^17342706217 is an apocalyptic number.

It is an amenable number.

17342706217 is a deficient number, since it is larger than the sum of its proper divisors (1).

17342706217 is an equidigital number, since it uses as much as digits as its factorization.

17342706217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 17342706217 in words is "seventeen billion, three hundred forty-two million, seven hundred six thousand, two hundred seventeen".