14434240421 has 2 divisors, whose sum is σ = 14434240422. Its totient is φ = 14434240420.

The previous prime is 14434240411. The next prime is 14434240451. The reversal of 14434240421 is 12404243441.

14434240421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9729652321 + 4704588100 = 98639^2 + 68590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14434240421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14434240411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7217120210 + 7217120211.

It is an arithmetic number, because the mean of its divisors is an integer number (7217120211).

Almost surely, 2^14434240421 is an apocalyptic number.

It is an amenable number.

14434240421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14434240421 is an equidigital number, since it uses as much as digits as its factorization.

14434240421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 14434240421 its reverse (12404243441), we get a palindrome (26838483862).

The spelling of 14434240421 in words is "fourteen billion, four hundred thirty-four million, two hundred forty thousand, four hundred twenty-one".