8005317169 has 2 divisors, whose sum is σ = 8005317170. Its totient is φ = 8005317168.

The previous prime is 8005317163. The next prime is 8005317239. The reversal of 8005317169 is 9617135008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6746486769 + 1258830400 = 82137^2 + 35480^2 .

It is a cyclic number.

It is not a de Polignac number, because 8005317169 - 2²⁹ = 7468446257 is a prime.

It is a super-2 number, since 2×8005317169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8005317163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002658584 + 4002658585.

It is an arithmetic number, because the mean of its divisors is an integer number (4002658585).

Almost surely, 2^8005317169 is an apocalyptic number.

It is an amenable number.

8005317169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8005317169 is an equidigital number, since it uses as much as digits as its factorization.

8005317169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 8005317169 is about 89472.4380409967. The cubic root of 8005317169 is about 2000.4429992852.

The spelling of 8005317169 in words is "eight billion, five million, three hundred seventeen thousand, one hundred sixty-nine".