14276988221 has 4 divisors (see below), whose sum is σ = 14279522112. Its totient is φ = 14274454332.

The previous prime is 14276988199. The next prime is 14276988247. The reversal of 14276988221 is 12288967241.

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 14276988221 - 2⁶ = 14276988157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14276988221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14276984221) 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, 1258475 + ... + 1269768.

It is an arithmetic number, because the mean of its divisors is an integer number (3569880528).

Almost surely, 2^14276988221 is an apocalyptic number.

It is an amenable number.

14276988221 is a deficient number, since it is larger than the sum of its proper divisors (2533891).

14276988221 is an equidigital number, since it uses as much as digits as its factorization.

14276988221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533890.

The product of its digits is 774144, while the sum is 50.

The spelling of 14276988221 in words is "fourteen billion, two hundred seventy-six million, nine hundred eighty-eight thousand, two hundred twenty-one".