14434010420021 has 2 divisors, whose sum is σ = 14434010420022. Its totient is φ = 14434010420020.

The previous prime is 14434010420009. The next prime is 14434010420057. The reversal of 14434010420021 is 12002401043441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13710439023121 + 723571396900 = 3702761^2 + 850630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14434010420021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14434010422021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7217005210010 + 7217005210011.

It is an arithmetic number, because the mean of its divisors is an integer number (7217005210011).

Almost surely, 2^{14434010420021} is an apocalyptic number.

It is an amenable number.

14434010420021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14434010420021 is an equidigital number, since it uses as much as digits as its factorization.

14434010420021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 14434010420021 its reverse (12002401043441), we get a palindrome (26436411463462).

The spelling of 14434010420021 in words is "fourteen trillion, four hundred thirty-four billion, ten million, four hundred twenty thousand, twenty-one".