14540366909 has 4 divisors (see below), whose sum is σ = 14540643516. Its totient is φ = 14540090304.

The previous prime is 14540366887. The next prime is 14540366947. The reversal of 14540366909 is 90966304541.

It is a happy number.

14540366909 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8394590884 + 6145776025 = 91622^2 + 78395^2 .

It is a cyclic number.

It is not a de Polignac number, because 14540366909 - 2²⁴ = 14523589693 is a prime.

It is a super-2 number, since 2×14540366909² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540366959) 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, 32444 + ... + 173589.

It is an arithmetic number, because the mean of its divisors is an integer number (3635160879).

Almost surely, 2^14540366909 is an apocalyptic number.

It is an amenable number.

14540366909 is a deficient number, since it is larger than the sum of its proper divisors (276607).

14540366909 is an equidigital number, since it uses as much as digits as its factorization.

14540366909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276606.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 14540366909 in words is "fourteen billion, five hundred forty million, three hundred sixty-six thousand, nine hundred nine".