8985529169 has 2 divisors, whose sum is σ = 8985529170. Its totient is φ = 8985529168.

The previous prime is 8985529139. The next prime is 8985529207. The reversal of 8985529169 is 9619255898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4901680144 + 4083849025 = 70012^2 + 63905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8985529169 is a prime.

It is a super-2 number, since 2×8985529169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8985529109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492764584 + 4492764585.

It is an arithmetic number, because the mean of its divisors is an integer number (4492764585).

Almost surely, 2^8985529169 is an apocalyptic number.

It is an amenable number.

8985529169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8985529169 is an equidigital number, since it uses as much as digits as its factorization.

8985529169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13996800, while the sum is 62.

The square root of 8985529169 is about 94792.0311471381. The cubic root of 8985529169 is about 2078.9683901452.

The spelling of 8985529169 in words is "eight billion, nine hundred eighty-five million, five hundred twenty-nine thousand, one hundred sixty-nine".