8359242161 has 2 divisors, whose sum is σ = 8359242162. Its totient is φ = 8359242160.

The previous prime is 8359242139. The next prime is 8359242169. The reversal of 8359242161 is 1612429538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7513595761 + 845646400 = 86681^2 + 29080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8359242161 is a prime.

It is not a weakly prime, because it can be changed into another prime (8359242169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4179621080 + 4179621081.

It is an arithmetic number, because the mean of its divisors is an integer number (4179621081).

Almost surely, 2^8359242161 is an apocalyptic number.

It is an amenable number.

8359242161 is a deficient number, since it is larger than the sum of its proper divisors (1).

8359242161 is an equidigital number, since it uses as much as digits as its factorization.

8359242161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 8359242161 is about 91428.8912816950. The cubic root of 8359242161 is about 2029.4995944377.

The spelling of 8359242161 in words is "eight billion, three hundred fifty-nine million, two hundred forty-two thousand, one hundred sixty-one".