14253240421 has 8 divisors (see below), whose sum is σ = 16851121920. Its totient is φ = 11795785008.

The previous prime is 14253240389. The next prime is 14253240439. The reversal of 14253240421 is 12404235241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14253240421 - 2⁵ = 14253240389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14253240421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14253240121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35106301 + ... + 35106706.

It is an arithmetic number, because the mean of its divisors is an integer number (2106390240).

Almost surely, 2^14253240421 is an apocalyptic number.

It is an amenable number.

14253240421 is a deficient number, since it is larger than the sum of its proper divisors (2597881499).

14253240421 is an equidigital number, since it uses as much as digits as its factorization.

14253240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70213043.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 14253240421 its reverse (12404235241), we get a palindrome (26657475662).

The spelling of 14253240421 in words is "fourteen billion, two hundred fifty-three million, two hundred forty thousand, four hundred twenty-one".