13894360663 has 2 divisors, whose sum is σ = 13894360664. Its totient is φ = 13894360662.

The previous prime is 13894360643. The next prime is 13894360687. The reversal of 13894360663 is 36606349831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13894360663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13894360643) 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, 6947180331 + 6947180332.

It is an arithmetic number, because the mean of its divisors is an integer number (6947180332).

Almost surely, 2^13894360663 is an apocalyptic number.

13894360663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13894360663 is an equidigital number, since it uses as much as digits as its factorization.

13894360663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 13894360663 in words is "thirteen billion, eight hundred ninety-four million, three hundred sixty thousand, six hundred sixty-three".