14412135421 has 2 divisors, whose sum is σ = 14412135422. Its totient is φ = 14412135420.

The previous prime is 14412135403. The next prime is 14412135427. The reversal of 14412135421 is 12453121441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14021875396 + 390260025 = 118414^2 + 19755^2 .

It is a cyclic number.

It is not a de Polignac number, because 14412135421 - 2⁵ = 14412135389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14412135421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14412135427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7206067710 + 7206067711.

It is an arithmetic number, because the mean of its divisors is an integer number (7206067711).

Almost surely, 2^14412135421 is an apocalyptic number.

It is an amenable number.

14412135421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14412135421 is an equidigital number, since it uses as much as digits as its factorization.

14412135421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

Adding to 14412135421 its reverse (12453121441), we get a palindrome (26865256862).

The spelling of 14412135421 in words is "fourteen billion, four hundred twelve million, one hundred thirty-five thousand, four hundred twenty-one".