14144210211421 has 4 divisors (see below), whose sum is σ = 14144229834844. Its totient is φ = 14144190588000.

The previous prime is 14144210211401. The next prime is 14144210211433. The reversal of 14144210211421 is 12411201244141.

It is a happy number.

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 13688416445796 + 455793765625 = 3699786^2 + 675125^2 .

It is a cyclic number.

It is not a de Polignac number, because 14144210211421 - 2⁹ = 14144210210909 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 14144210211421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14144210211401) 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, 8687610 + ... + 10186411.

It is an arithmetic number, because the mean of its divisors is an integer number (3536057458711).

Almost surely, 2^{14144210211421} is an apocalyptic number.

It is an amenable number.

14144210211421 is a deficient number, since it is larger than the sum of its proper divisors (19623423).

14144210211421 is an equidigital number, since it uses as much as digits as its factorization.

14144210211421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19623422.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 14144210211421 its reverse (12411201244141), we get a palindrome (26555411455562).

The spelling of 14144210211421 in words is "fourteen trillion, one hundred forty-four billion, two hundred ten million, two hundred eleven thousand, four hundred twenty-one".