19065089 has 2 divisors, whose sum is σ = 19065090. Its totient is φ = 19065088.

The previous prime is 19065077. The next prime is 19065169. The reversal of 19065089 is 98056091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 7728400 = 3367^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 19065089 - 2⁴ = 19065073 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (19065019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9532544 + 9532545.

It is an arithmetic number, because the mean of its divisors is an integer number (9532545).

Almost surely, 2^19065089 is an apocalyptic number.

It is an amenable number.

19065089 is a deficient number, since it is larger than the sum of its proper divisors (1).

19065089 is an equidigital number, since it uses as much as digits as its factorization.

19065089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 19065089 is about 4366.3587804943. The cubic root of 19065089 is about 267.1445256443.

The spelling of 19065089 in words is "nineteen million, sixty-five thousand, eighty-nine".