14043502021 has 2 divisors, whose sum is σ = 14043502022. Its totient is φ = 14043502020.

The previous prime is 14043502019. The next prime is 14043502051. The reversal of 14043502021 is 12020534041.

14043502021 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., 13129951396 + 913550625 = 114586^2 + 30225^2 .

It is an emirp because it is prime and its reverse (12020534041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14043502021 - 2¹ = 14043502019 is a prime.

Together with 14043502019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 14043501983 and 14043502001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14043502051) 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, 7021751010 + 7021751011.

It is an arithmetic number, because the mean of its divisors is an integer number (7021751011).

Almost surely, 2^14043502021 is an apocalyptic number.

It is an amenable number.

14043502021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14043502021 is an equidigital number, since it uses as much as digits as its factorization.

14043502021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 14043502021 in words is "fourteen billion, forty-three million, five hundred two thousand, twenty-one".