13998666863 has 2 divisors, whose sum is σ = 13998666864. Its totient is φ = 13998666862.

The previous prime is 13998666811. The next prime is 13998666887. The reversal of 13998666863 is 36866689931.

13998666863 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 is an emirp because it is prime and its reverse (36866689931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13998666863 - 2⁸ = 13998666607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13998666863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13998666163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999333431 + 6999333432.

It is an arithmetic number, because the mean of its divisors is an integer number (6999333432).

Almost surely, 2^13998666863 is an apocalyptic number.

13998666863 is a deficient number, since it is larger than the sum of its proper divisors (1).

13998666863 is an equidigital number, since it uses as much as digits as its factorization.

13998666863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60466176, while the sum is 65.

The spelling of 13998666863 in words is "thirteen billion, nine hundred ninety-eight million, six hundred sixty-six thousand, eight hundred sixty-three".