9169872241 has 2 divisors, whose sum is σ = 9169872242. Its totient is φ = 9169872240.

The previous prime is 9169872227. The next prime is 9169872247. The reversal of 9169872241 is 1422789619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8380487025 + 789385216 = 91545^2 + 28096^2 .

It is a cyclic number.

It is not a de Polignac number, because 9169872241 - 2⁵ = 9169872209 is a prime.

It is not a weakly prime, because it can be changed into another prime (9169872247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4584936120 + 4584936121.

It is an arithmetic number, because the mean of its divisors is an integer number (4584936121).

Almost surely, 2^9169872241 is an apocalyptic number.

It is an amenable number.

9169872241 is a deficient number, since it is larger than the sum of its proper divisors (1).

9169872241 is an equidigital number, since it uses as much as digits as its factorization.

9169872241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 9169872241 is about 95759.4498783279. The cubic root of 9169872241 is about 2093.0893196347.

The spelling of 9169872241 in words is "nine billion, one hundred sixty-nine million, eight hundred seventy-two thousand, two hundred forty-one".