14412442421 has 4 divisors (see below), whose sum is σ = 15521091852. Its totient is φ = 13303792992.

The previous prime is 14412442411. The next prime is 14412442423. The reversal of 14412442421 is 12424421441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5817112900 + 8595329521 = 76270^2 + 92711^2 .

It is a cyclic number.

It is not a de Polignac number, because 14412442421 - 2⁶ = 14412442357 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 (14412442423) 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, 554324696 + ... + 554324721.

It is an arithmetic number, because the mean of its divisors is an integer number (3880272963).

Almost surely, 2^14412442421 is an apocalyptic number.

It is an amenable number.

14412442421 is a deficient number, since it is larger than the sum of its proper divisors (1108649431).

14412442421 is a wasteful number, since it uses less digits than its factorization.

14412442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108649430.

The product of its digits is 8192, while the sum is 29.

Adding to 14412442421 its reverse (12424421441), we get a palindrome (26836863862).

The spelling of 14412442421 in words is "fourteen billion, four hundred twelve million, four hundred forty-two thousand, four hundred twenty-one".