9158242897 has 2 divisors, whose sum is σ = 9158242898. Its totient is φ = 9158242896.

The previous prime is 9158242889. The next prime is 9158242967. The reversal of 9158242897 is 7982428519.

9158242897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6714819136 + 2443423761 = 81944^2 + 49431^2 .

It is a cyclic number.

It is not a de Polignac number, because 9158242897 - 2³ = 9158242889 is a prime.

It is not a weakly prime, because it can be changed into another prime (9158242867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4579121448 + 4579121449.

It is an arithmetic number, because the mean of its divisors is an integer number (4579121449).

Almost surely, 2^9158242897 is an apocalyptic number.

It is an amenable number.

9158242897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9158242897 is an equidigital number, since it uses as much as digits as its factorization.

9158242897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 55.

The square root of 9158242897 is about 95698.7089620335. The cubic root of 9158242897 is about 2092.2041181729.

The spelling of 9158242897 in words is "nine billion, one hundred fifty-eight million, two hundred forty-two thousand, eight hundred ninety-seven".