304085085089 has 2 divisors, whose sum is σ = 304085085090. Its totient is φ = 304085085088.

The previous prime is 304085085079. The next prime is 304085085127. The reversal of 304085085089 is 980580580403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304014390625 + 70694464 = 551375^2 + 8408^2 .

It is a cyclic number.

It is not a de Polignac number, because 304085085089 - 2²⁰ = 304084036513 is a prime.

It is not a weakly prime, because it can be changed into another prime (304085085049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152042542544 + 152042542545.

It is an arithmetic number, because the mean of its divisors is an integer number (152042542545).

Almost surely, 2^304085085089 is an apocalyptic number.

It is an amenable number.

304085085089 is a deficient number, since it is larger than the sum of its proper divisors (1).

304085085089 is an equidigital number, since it uses as much as digits as its factorization.

304085085089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 304085085089 in words is "three hundred four billion, eighty-five million, eighty-five thousand, eighty-nine".