608801689 has 2 divisors, whose sum is σ = 608801690. Its totient is φ = 608801688.

The previous prime is 608801681. The next prime is 608801693. The reversal of 608801689 is 986108806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319801689 + 289000000 = 17883^2 + 17000^2 .

It is a cyclic number.

It is not a de Polignac number, because 608801689 - 2³ = 608801681 is a prime.

It is not a weakly prime, because it can be changed into another prime (608801681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304400844 + 304400845.

It is an arithmetic number, because the mean of its divisors is an integer number (304400845).

Almost surely, 2^608801689 is an apocalyptic number.

It is an amenable number.

608801689 is a deficient number, since it is larger than the sum of its proper divisors (1).

608801689 is an equidigital number, since it uses as much as digits as its factorization.

608801689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 608801689 is about 24673.9070477296. The cubic root of 608801689 is about 847.5369012512.

The spelling of 608801689 in words is "six hundred eight million, eight hundred one thousand, six hundred eighty-nine".