14174388421 has 4 divisors (see below), whose sum is σ = 14184145132. Its totient is φ = 14164631712.

The previous prime is 14174388409. The next prime is 14174388427. The reversal of 14174388421 is 12488347141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12488347141 = 15269 ⋅817889.

It can be written as a sum of positive squares in 2 ways, for example, as 6054396100 + 8119992321 = 77810^2 + 90111^2 .

It is a cyclic number.

It is not a de Polignac number, because 14174388421 - 2¹⁵ = 14174355653 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 (14174388427) 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, 4876176 + ... + 4879081.

It is an arithmetic number, because the mean of its divisors is an integer number (3546036283).

Almost surely, 2^14174388421 is an apocalyptic number.

It is an amenable number.

14174388421 is a deficient number, since it is larger than the sum of its proper divisors (9756711).

14174388421 is an equidigital number, since it uses as much as digits as its factorization.

14174388421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756710.

The product of its digits is 172032, while the sum is 43.

The spelling of 14174388421 in words is "fourteen billion, one hundred seventy-four million, three hundred eighty-eight thousand, four hundred twenty-one".