663136013 has 2 divisors, whose sum is σ = 663136014. Its totient is φ = 663136012.

The previous prime is 663135971. The next prime is 663136021. The reversal of 663136013 is 310631366.

663136013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 634384969 + 28751044 = 25187^2 + 5362^2 .

It is a cyclic number.

It is not a de Polignac number, because 663136013 - 2⁸ = 663135757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663136073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331568006 + 331568007.

It is an arithmetic number, because the mean of its divisors is an integer number (331568007).

Almost surely, 2^663136013 is an apocalyptic number.

It is an amenable number.

663136013 is a deficient number, since it is larger than the sum of its proper divisors (1).

663136013 is an equidigital number, since it uses as much as digits as its factorization.

663136013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 663136013 is about 25751.4273973308. The cubic root of 663136013 is about 872.0355792549.

Adding to 663136013 its reverse (310631366), we get a palindrome (973767379).

The spelling of 663136013 in words is "six hundred sixty-three million, one hundred thirty-six thousand, thirteen".