14251271421 has 8 divisors (see below), whose sum is σ = 19046831584. Its totient is φ = 9478279440.

The previous prime is 14251271413. The next prime is 14251271453. The reversal of 14251271421 is 12417215241.

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

It is not a de Polignac number, because 14251271421 - 2³ = 14251271413 is a prime.

It is a super-2 number, since 2×14251271421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14251271491) 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, 5640571 + ... + 5643096.

It is an arithmetic number, because the mean of its divisors is an integer number (2380853948).

Almost surely, 2^14251271421 is an apocalyptic number.

It is an amenable number.

14251271421 is a deficient number, since it is larger than the sum of its proper divisors (4795560163).

14251271421 is a wasteful number, since it uses less digits than its factorization.

14251271421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11284091.

The product of its digits is 4480, while the sum is 30.

Adding to 14251271421 its reverse (12417215241), we get a palindrome (26668486662).

The spelling of 14251271421 in words is "fourteen billion, two hundred fifty-one million, two hundred seventy-one thousand, four hundred twenty-one".