613008663689 has 2 divisors, whose sum is σ = 613008663690. Its totient is φ = 613008663688.

The previous prime is 613008663679. The next prime is 613008663719. The reversal of 613008663689 is 986366800316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381077809225 + 231930854464 = 617315^2 + 481592^2 .

It is a cyclic number.

It is not a de Polignac number, because 613008663689 - 2²⁰ = 613007615113 is a prime.

It is not a weakly prime, because it can be changed into another prime (613008663679) 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, 306504331844 + 306504331845.

It is an arithmetic number, because the mean of its divisors is an integer number (306504331845).

Almost surely, 2^613008663689 is an apocalyptic number.

It is an amenable number.

613008663689 is a deficient number, since it is larger than the sum of its proper divisors (1).

613008663689 is an equidigital number, since it uses as much as digits as its factorization.

613008663689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 613008663689 in words is "six hundred thirteen billion, eight million, six hundred sixty-three thousand, six hundred eighty-nine".