14509539853 has 4 divisors (see below), whose sum is σ = 14518081600. Its totient is φ = 14500998108.

The previous prime is 14509539827. The next prime is 14509539871. The reversal of 14509539853 is 35893590541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14509539853 - 2²¹ = 14507442701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14509539853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14509539893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268325 + ... + 4271722.

It is an arithmetic number, because the mean of its divisors is an integer number (3629520400).

Almost surely, 2^14509539853 is an apocalyptic number.

It is an amenable number.

14509539853 is a deficient number, since it is larger than the sum of its proper divisors (8541747).

14509539853 is an equidigital number, since it uses as much as digits as its factorization.

14509539853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541746.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 14509539853 in words is "fourteen billion, five hundred nine million, five hundred thirty-nine thousand, eight hundred fifty-three".