608584857691 has 2 divisors, whose sum is σ = 608584857692. Its totient is φ = 608584857690.

The previous prime is 608584857637. The next prime is 608584857773. The reversal of 608584857691 is 196758485806.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 608584857691 - 2¹¹ = 608584855643 is a prime.

It is not a weakly prime, because it can be changed into another prime (608584857611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304292428845 + 304292428846.

It is an arithmetic number, because the mean of its divisors is an integer number (304292428846).

Almost surely, 2^608584857691 is an apocalyptic number.

608584857691 is a deficient number, since it is larger than the sum of its proper divisors (1).

608584857691 is an equidigital number, since it uses as much as digits as its factorization.

608584857691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116121600, while the sum is 67.

The spelling of 608584857691 in words is "six hundred eight billion, five hundred eighty-four million, eight hundred fifty-seven thousand, six hundred ninety-one".