68484089 has 2 divisors, whose sum is σ = 68484090. Its totient is φ = 68484088.

The previous prime is 68484083. The next prime is 68484121. The reversal of 68484089 is 98048486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68475625 + 8464 = 8275^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 68484089 - 2²⁴ = 51706873 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 (68484083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34242044 + 34242045.

It is an arithmetic number, because the mean of its divisors is an integer number (34242045).

Almost surely, 2^68484089 is an apocalyptic number.

It is an amenable number.

68484089 is a deficient number, since it is larger than the sum of its proper divisors (1).

68484089 is an equidigital number, since it uses as much as digits as its factorization.

68484089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 68484089 is about 8275.5114041369. The cubic root of 68484089 is about 409.1317915880.

The spelling of 68484089 in words is "sixty-eight million, four hundred eighty-four thousand, eighty-nine".