13303606646563 has 2 divisors, whose sum is σ = 13303606646564. Its totient is φ = 13303606646562.

The previous prime is 13303606646549. The next prime is 13303606646573. The reversal of 13303606646563 is 36564660630331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13303606646563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13303606646563.

It is not a weakly prime, because it can be changed into another prime (13303606646543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651803323281 + 6651803323282.

It is an arithmetic number, because the mean of its divisors is an integer number (6651803323282).

Almost surely, 2^{13303606646563} is an apocalyptic number.

13303606646563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303606646563 is an equidigital number, since it uses as much as digits as its factorization.

13303606646563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12597120, while the sum is 52.

The spelling of 13303606646563 in words is "thirteen trillion, three hundred three billion, six hundred six million, six hundred forty-six thousand, five hundred sixty-three".