8105244169 has 6 divisors (see below), whose sum is σ = 8909070170. Its totient is φ = 7368403680.

The previous prime is 8105244149. The next prime is 8105244187. The reversal of 8105244169 is 9614425018.

It can be written as a sum of positive squares in only one way, i.e., 5567099769 + 2538144400 = 74613^2 + 50380^2 .

It is not a de Polignac number, because 8105244169 - 2¹⁹ = 8104719881 is a prime.

It is a super-2 number, since 2×8105244169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8105244109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33492624 + ... + 33492865.

Almost surely, 2^8105244169 is an apocalyptic number.

It is an amenable number.

8105244169 is a deficient number, since it is larger than the sum of its proper divisors (803826001).

8105244169 is a wasteful number, since it uses less digits than its factorization.

8105244169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66985511 (or 66985500 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 8105244169 is about 90029.1295581602. The cubic root of 8105244169 is about 2008.7321665640.

The spelling of 8105244169 in words is "eight billion, one hundred five million, two hundred forty-four thousand, one hundred sixty-nine".