68019089 has 2 divisors, whose sum is σ = 68019090. Its totient is φ = 68019088.

The previous prime is 68019067. The next prime is 68019109. The reversal of 68019089 is 98091086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 13140625 = 7408^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 68019089 - 2²⁴ = 51241873 is a prime.

It is not a weakly prime, because it can be changed into another prime (68019059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34009544 + 34009545.

It is an arithmetic number, because the mean of its divisors is an integer number (34009545).

Almost surely, 2^68019089 is an apocalyptic number.

It is an amenable number.

68019089 is a deficient number, since it is larger than the sum of its proper divisors (1).

68019089 is an equidigital number, since it uses as much as digits as its factorization.

68019089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 68019089 is about 8247.3686106539. The cubic root of 68019089 is about 408.2037001058.

The spelling of 68019089 in words is "sixty-eight million, nineteen thousand, eighty-nine".