9372545489 has 2 divisors, whose sum is σ = 9372545490. Its totient is φ = 9372545488.

The previous prime is 9372545459. The next prime is 9372545491. The reversal of 9372545489 is 9845452739.

9372545489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6931395025 + 2441150464 = 83255^2 + 49408^2 .

It is a cyclic number.

It is not a de Polignac number, because 9372545489 - 2³² = 5077578193 is a prime.

It is a Sophie Germain prime.

Together with 9372545491, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9372545449) 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, 4686272744 + 4686272745.

It is an arithmetic number, because the mean of its divisors is an integer number (4686272745).

Almost surely, 2^9372545489 is an apocalyptic number.

It is an amenable number.

9372545489 is a deficient number, since it is larger than the sum of its proper divisors (1).

9372545489 is an equidigital number, since it uses as much as digits as its factorization.

9372545489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 56.

The square root of 9372545489 is about 96811.9077851480. The cubic root of 9372545489 is about 2108.3976281031.

The spelling of 9372545489 in words is "nine billion, three hundred seventy-two million, five hundred forty-five thousand, four hundred eighty-nine".