13313721704263 has 2 divisors, whose sum is σ = 13313721704264. Its totient is φ = 13313721704262.

The previous prime is 13313721704249. The next prime is 13313721704279. The reversal of 13313721704263 is 36240712731331.

It is a weak prime.

It is an emirp because it is prime and its reverse (36240712731331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13313721704263 - 2¹³ = 13313721696071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13313721704963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656860852131 + 6656860852132.

It is an arithmetic number, because the mean of its divisors is an integer number (6656860852132).

Almost surely, 2^{13313721704263} is an apocalyptic number.

13313721704263 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313721704263 is an equidigital number, since it uses as much as digits as its factorization.

13313721704263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 13313721704263 in words is "thirteen trillion, three hundred thirteen billion, seven hundred twenty-one million, seven hundred four thousand, two hundred sixty-three".