14221523663 has 4 divisors (see below), whose sum is σ = 14236080960. Its totient is φ = 14206966368.

The previous prime is 14221523651. The next prime is 14221523683. The reversal of 14221523663 is 36632512241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14221523663 - 2¹⁰ = 14221522639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221523633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7277183 + ... + 7279136.

It is an arithmetic number, because the mean of its divisors is an integer number (3559020240).

Almost surely, 2^14221523663 is an apocalyptic number.

14221523663 is a deficient number, since it is larger than the sum of its proper divisors (14557297).

14221523663 is an equidigital number, since it uses as much as digits as its factorization.

14221523663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14557296.

The product of its digits is 51840, while the sum is 35.

The spelling of 14221523663 in words is "fourteen billion, two hundred twenty-one million, five hundred twenty-three thousand, six hundred sixty-three".