14234025621 has 4 divisors (see below), whose sum is σ = 18978700832. Its totient is φ = 9489350412.

The previous prime is 14234025599. The next prime is 14234025629. The reversal of 14234025621 is 12652043241.

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 de Polignac number, because none of the positive numbers 2^k-14234025621 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 (14234025629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372337601 + ... + 2372337606.

It is an arithmetic number, because the mean of its divisors is an integer number (4744675208).

Almost surely, 2^14234025621 is an apocalyptic number.

It is an amenable number.

14234025621 is a deficient number, since it is larger than the sum of its proper divisors (4744675211).

14234025621 is an equidigital number, since it uses as much as digits as its factorization.

14234025621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744675210.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 14234025621 its reverse (12652043241), we get a palindrome (26886068862).

The spelling of 14234025621 in words is "fourteen billion, two hundred thirty-four million, twenty-five thousand, six hundred twenty-one".