14066349669 has 12 divisors (see below), whose sum is σ = 20319118092. Its totient is φ = 9377078400.

The previous prime is 14066349643. The next prime is 14066349691. The reversal of 14066349669 is 96694366041.

14066349669 is a `hidden beast` number, since 140 + 6 + 6 + 3 + 496 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4507376769 + 9558972900 = 67137^2 + 97770^2 .

It is not a de Polignac number, because 14066349669 - 2²⁰ = 14065301093 is a prime.

It is a super-2 number, since 2×14066349669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14066349769) 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 in 11 ways as a sum of consecutive naturals, for example, 254979 + ... + 305199.

It is an arithmetic number, because the mean of its divisors is an integer number (1693259841).

Almost surely, 2^14066349669 is an apocalyptic number.

It is an amenable number.

14066349669 is a deficient number, since it is larger than the sum of its proper divisors (6252768423).

14066349669 is a wasteful number, since it uses less digits than its factorization.

14066349669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81348 (or 81345 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 14066349669 in words is "fourteen billion, sixty-six million, three hundred forty-nine thousand, six hundred sixty-nine".