608389366693 has 2 divisors, whose sum is σ = 608389366694. Its totient is φ = 608389366692.

The previous prime is 608389366643. The next prime is 608389366729. The reversal of 608389366693 is 396663983806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494241338529 + 114148028164 = 703023^2 + 337858^2 .

It is a cyclic number.

It is not a de Polignac number, because 608389366693 - 2¹⁷ = 608389235621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608389366643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304194683346 + 304194683347.

It is an arithmetic number, because the mean of its divisors is an integer number (304194683347).

Almost surely, 2^608389366693 is an apocalyptic number.

It is an amenable number.

608389366693 is a deficient number, since it is larger than the sum of its proper divisors (1).

608389366693 is an equidigital number, since it uses as much as digits as its factorization.

608389366693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181398528, while the sum is 67.

The spelling of 608389366693 in words is "six hundred eight billion, three hundred eighty-nine million, three hundred sixty-six thousand, six hundred ninety-three".