14408816209 has 4 divisors (see below), whose sum is σ = 14557360804. Its totient is φ = 14260271616.

The previous prime is 14408816173. The next prime is 14408816237. The reversal of 14408816209 is 90261880441.

14408816209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90261880441 = 193 ⋅467678137.

It can be written as a sum of positive squares in 2 ways, for example, as 11210574400 + 3198241809 = 105880^2 + 56553^2 .

It is a cyclic number.

It is not a de Polignac number, because 14408816209 - 2¹⁹ = 14408291921 is a prime.

It is a super-2 number, since 2×14408816209² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14408816239) 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 in 3 ways as a sum of consecutive naturals, for example, 74272152 + ... + 74272345.

It is an arithmetic number, because the mean of its divisors is an integer number (3639340201).

Almost surely, 2^14408816209 is an apocalyptic number.

It is an amenable number.

14408816209 is a deficient number, since it is larger than the sum of its proper divisors (148544595).

14408816209 is an equidigital number, since it uses as much as digits as its factorization.

14408816209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148544594.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 14408816209 in words is "fourteen billion, four hundred eight million, eight hundred sixteen thousand, two hundred nine".