14044345521 has 4 divisors (see below), whose sum is σ = 18725794032. Its totient is φ = 9362897012.

The previous prime is 14044345433. The next prime is 14044345543. The reversal of 14044345521 is 12554344041.

It is a happy number.

14044345521 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 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 14044345521 - 2²⁵ = 14010791089 is a prime.

It is a super-2 number, since 2×14044345521² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14044347521) 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, 2340724251 + ... + 2340724256.

It is an arithmetic number, because the mean of its divisors is an integer number (4681448508).

Almost surely, 2^14044345521 is an apocalyptic number.

It is an amenable number.

14044345521 is a deficient number, since it is larger than the sum of its proper divisors (4681448511).

14044345521 is an equidigital number, since it uses as much as digits as its factorization.

14044345521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681448510.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 14044345521 its reverse (12554344041), we get a palindrome (26598689562).

The spelling of 14044345521 in words is "fourteen billion, forty-four million, three hundred forty-five thousand, five hundred twenty-one".