13881662063 has 2 divisors, whose sum is σ = 13881662064. Its totient is φ = 13881662062.

The previous prime is 13881662027. The next prime is 13881662077. The reversal of 13881662063 is 36026618831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13881662063 - 2⁶ = 13881661999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13881662083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6940831031 + 6940831032.

It is an arithmetic number, because the mean of its divisors is an integer number (6940831032).

Almost surely, 2^13881662063 is an apocalyptic number.

13881662063 is a deficient number, since it is larger than the sum of its proper divisors (1).

13881662063 is an equidigital number, since it uses as much as digits as its factorization.

13881662063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 13881662063 in words is "thirteen billion, eight hundred eighty-one million, six hundred sixty-two thousand, sixty-three".