14420240321447 has 2 divisors, whose sum is σ = 14420240321448. Its totient is φ = 14420240321446.

The previous prime is 14420240321393. The next prime is 14420240321479. The reversal of 14420240321447 is 74412304202441.

It is a strong prime.

It is an emirp because it is prime and its reverse (74412304202441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14420240321447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14420240321447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14420240321497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210120160723 + 7210120160724.

It is an arithmetic number, because the mean of its divisors is an integer number (7210120160724).

Almost surely, 2^{14420240321447} is an apocalyptic number.

14420240321447 is a deficient number, since it is larger than the sum of its proper divisors (1).

14420240321447 is an equidigital number, since it uses as much as digits as its factorization.

14420240321447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 38.

Adding to 14420240321447 its reverse (74412304202441), we get a palindrome (88832544523888).

The spelling of 14420240321447 in words is "fourteen trillion, four hundred twenty billion, two hundred forty million, three hundred twenty-one thousand, four hundred forty-seven".