9159252449 has 2 divisors, whose sum is σ = 9159252450. Its totient is φ = 9159252448.

The previous prime is 9159252433. The next prime is 9159252491. The reversal of 9159252449 is 9442529519.

9159252449 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., 6135902224 + 3023350225 = 78332^2 + 54985^2 .

It is an emirp because it is prime and its reverse (9442529519) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9159252449 - 2⁴ = 9159252433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9159252397 and 9159252406.

It is not a weakly prime, because it can be changed into another prime (9159252049) 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, 4579626224 + 4579626225.

It is an arithmetic number, because the mean of its divisors is an integer number (4579626225).

Almost surely, 2^9159252449 is an apocalyptic number.

It is an amenable number.

9159252449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9159252449 is an equidigital number, since it uses as much as digits as its factorization.

9159252449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 9159252449 is about 95703.9834541907. The cubic root of 9159252449 is about 2092.2809928627.

The spelling of 9159252449 in words is "nine billion, one hundred fifty-nine million, two hundred fifty-two thousand, four hundred forty-nine".