14066808893 has 2 divisors, whose sum is σ = 14066808894. Its totient is φ = 14066808892.

The previous prime is 14066808863. The next prime is 14066808919. The reversal of 14066808893 is 39880866041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7361983204 + 6704825689 = 85802^2 + 81883^2 .

It is an emirp because it is prime and its reverse (39880866041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14066808893 - 2¹⁸ = 14066546749 is a prime.

It is a super-2 number, since 2×14066808893² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14066808853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7033404446 + 7033404447.

It is an arithmetic number, because the mean of its divisors is an integer number (7033404447).

Almost surely, 2^14066808893 is an apocalyptic number.

It is an amenable number.

14066808893 is a deficient number, since it is larger than the sum of its proper divisors (1).

14066808893 is an equidigital number, since it uses as much as digits as its factorization.

14066808893 is an evil number, because the sum of its binary digits is even.

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

The spelling of 14066808893 in words is "fourteen billion, sixty-six million, eight hundred eight thousand, eight hundred ninety-three".