9025445789 has 2 divisors, whose sum is σ = 9025445790. Its totient is φ = 9025445788.

The previous prime is 9025445777. The next prime is 9025445831. The reversal of 9025445789 is 9875445209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7307343289 + 1718102500 = 85483^2 + 41450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9025445789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9025445789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9025445729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4512722894 + 4512722895.

It is an arithmetic number, because the mean of its divisors is an integer number (4512722895).

Almost surely, 2^9025445789 is an apocalyptic number.

It is an amenable number.

9025445789 is a deficient number, since it is larger than the sum of its proper divisors (1).

9025445789 is an equidigital number, since it uses as much as digits as its factorization.

9025445789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The square root of 9025445789 is about 95002.3462289222. The cubic root of 9025445789 is about 2082.0423256329.

The spelling of 9025445789 in words is "nine billion, twenty-five million, four hundred forty-five thousand, seven hundred eighty-nine".