8359242169 has 2 divisors, whose sum is σ = 8359242170. Its totient is φ = 8359242168.

The previous prime is 8359242161. The next prime is 8359242209. The reversal of 8359242169 is 9612429538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6885680400 + 1473561769 = 82980^2 + 38387^2 .

It is a cyclic number.

It is not a de Polignac number, because 8359242169 - 2³ = 8359242161 is a prime.

It is a super-2 number, since 2×8359242169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8359242161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4179621084 + 4179621085.

It is an arithmetic number, because the mean of its divisors is an integer number (4179621085).

Almost surely, 2^8359242169 is an apocalyptic number.

It is an amenable number.

8359242169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8359242169 is an equidigital number, since it uses as much as digits as its factorization.

8359242169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 8359242169 is about 91428.8913254448. The cubic root of 8359242169 is about 2029.4995950851.

The spelling of 8359242169 in words is "eight billion, three hundred fifty-nine million, two hundred forty-two thousand, one hundred sixty-nine".