14321424251 has 4 divisors (see below), whose sum is σ = 14350125000. Its totient is φ = 14292723504.

The previous prime is 14321424197. The next prime is 14321424259. The reversal of 14321424251 is 15242412341.

It is a happy number.

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 14321424251 - 2¹⁰ = 14321423227 is a prime.

It is a super-2 number, since 2×14321424251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14321424259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14349626 + ... + 14350623.

It is an arithmetic number, because the mean of its divisors is an integer number (3587531250).

Almost surely, 2^14321424251 is an apocalyptic number.

14321424251 is a deficient number, since it is larger than the sum of its proper divisors (28700749).

14321424251 is an equidigital number, since it uses as much as digits as its factorization.

14321424251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28700748.

The product of its digits is 7680, while the sum is 29.

Adding to 14321424251 its reverse (15242412341), we get a palindrome (29563836592).

The spelling of 14321424251 in words is "fourteen billion, three hundred twenty-one million, four hundred twenty-four thousand, two hundred fifty-one".