663306141603317 has 2 divisors, whose sum is σ = 663306141603318. Its totient is φ = 663306141603316.

The previous prime is 663306141603257. The next prime is 663306141603367. The reversal of 663306141603317 is 713306141603366.

It is an a-pointer prime, because the next prime (663306141603367) can be obtained adding 663306141603317 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488516350988836 + 174789790614481 = 22102406^2 + 13220809^2 .

It is a cyclic number.

It is not a de Polignac number, because 663306141603317 - 2³⁰ = 663305067861493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663306141603367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331653070801658 + 331653070801659.

It is an arithmetic number, because the mean of its divisors is an integer number (331653070801659).

Almost surely, 2^{663306141603317} is an apocalyptic number.

It is an amenable number.

663306141603317 is a deficient number, since it is larger than the sum of its proper divisors (1).

663306141603317 is an equidigital number, since it uses as much as digits as its factorization.

663306141603317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 663306141603317 in words is "six hundred sixty-three trillion, three hundred six billion, one hundred forty-one million, six hundred three thousand, three hundred seventeen".