2606789089 has 2 divisors, whose sum is σ = 2606789090. Its totient is φ = 2606789088.

The previous prime is 2606789071. The next prime is 2606789099. The reversal of 2606789089 is 9809876062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1864771489 + 742017600 = 43183^2 + 27240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2606789089 - 2⁵ = 2606789057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2606789099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303394544 + 1303394545.

It is an arithmetic number, because the mean of its divisors is an integer number (1303394545).

Almost surely, 2^2606789089 is an apocalyptic number.

It is an amenable number.

2606789089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606789089 is an equidigital number, since it uses as much as digits as its factorization.

2606789089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 2606789089 is about 51056.7242290376. The cubic root of 2606789089 is about 1376.2646813222.

The spelling of 2606789089 in words is "two billion, six hundred six million, seven hundred eighty-nine thousand, eighty-nine".