14251421243 has 4 divisors (see below), whose sum is σ = 14582849688. Its totient is φ = 13919992800.

The previous prime is 14251421227. The next prime is 14251421323. The reversal of 14251421243 is 34212415241.

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 14251421243 - 2⁴ = 14251421227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14251421843) 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, 165714158 + ... + 165714243.

It is an arithmetic number, because the mean of its divisors is an integer number (3645712422).

Almost surely, 2^14251421243 is an apocalyptic number.

14251421243 is a deficient number, since it is larger than the sum of its proper divisors (331428445).

14251421243 is an equidigital number, since it uses as much as digits as its factorization.

14251421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331428444.

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

Adding to 14251421243 its reverse (34212415241), we get a palindrome (48463836484).

The spelling of 14251421243 in words is "fourteen billion, two hundred fifty-one million, four hundred twenty-one thousand, two hundred forty-three".