17160785249 has 2 divisors, whose sum is σ = 17160785250. Its totient is φ = 17160785248.

The previous prime is 17160785221. The next prime is 17160785261. The reversal of 17160785249 is 94258706171.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17021899024 + 138886225 = 130468^2 + 11785^2 .

It is a cyclic number.

It is not a de Polignac number, because 17160785249 - 2²⁴ = 17144008033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17160785197 and 17160785206.

It is not a weakly prime, because it can be changed into another prime (17160785209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8580392624 + 8580392625.

It is an arithmetic number, because the mean of its divisors is an integer number (8580392625).

Almost surely, 2^17160785249 is an apocalyptic number.

It is an amenable number.

17160785249 is a deficient number, since it is larger than the sum of its proper divisors (1).

17160785249 is an equidigital number, since it uses as much as digits as its factorization.

17160785249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 17160785249 in words is "seventeen billion, one hundred sixty million, seven hundred eighty-five thousand, two hundred forty-nine".