14638800689 has 2 divisors, whose sum is σ = 14638800690. Its totient is φ = 14638800688.

The previous prime is 14638800653. The next prime is 14638800739. The reversal of 14638800689 is 98600883641.

14638800689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13223160064 + 1415640625 = 114992^2 + 37625^2 .

It is a cyclic number.

It is not a de Polignac number, because 14638800689 - 2²⁰ = 14637752113 is a prime.

It is a super-2 number, since 2×14638800689² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14638800689.

It is not a weakly prime, because it can be changed into another prime (14638803689) 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, 7319400344 + 7319400345.

It is an arithmetic number, because the mean of its divisors is an integer number (7319400345).

Almost surely, 2^14638800689 is an apocalyptic number.

It is an amenable number.

14638800689 is a deficient number, since it is larger than the sum of its proper divisors (1).

14638800689 is an equidigital number, since it uses as much as digits as its factorization.

14638800689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 14638800689 in words is "fourteen billion, six hundred thirty-eight million, eight hundred thousand, six hundred eighty-nine".