14004446021 has 2 divisors, whose sum is σ = 14004446022. Its totient is φ = 14004446020.

The previous prime is 14004445993. The next prime is 14004446069. The reversal of 14004446021 is 12064440041.

14004446021 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., 13121702500 + 882743521 = 114550^2 + 29711^2 .

It is an emirp because it is prime and its reverse (12064440041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14004446021 - 2¹⁰ = 14004444997 is a prime.

It is a super-2 number, since 2×14004446021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14004496021) 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, 7002223010 + 7002223011.

It is an arithmetic number, because the mean of its divisors is an integer number (7002223011).

Almost surely, 2^14004446021 is an apocalyptic number.

It is an amenable number.

14004446021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14004446021 is an equidigital number, since it uses as much as digits as its factorization.

14004446021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 14004446021 its reverse (12064440041), we get a palindrome (26068886062).

The spelling of 14004446021 in words is "fourteen billion, four million, four hundred forty-six thousand, twenty-one".