14321413021 has 2 divisors, whose sum is σ = 14321413022. Its totient is φ = 14321413020.

The previous prime is 14321413019. The next prime is 14321413061. The reversal of 14321413021 is 12031412341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13926596121 + 394816900 = 118011^2 + 19870^2 .

It is a cyclic number.

It is not a de Polignac number, because 14321413021 - 2¹ = 14321413019 is a prime.

Together with 14321413019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 14321412983 and 14321413001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14321413061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160706510 + 7160706511.

It is an arithmetic number, because the mean of its divisors is an integer number (7160706511).

Almost surely, 2^14321413021 is an apocalyptic number.

It is an amenable number.

14321413021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14321413021 is an equidigital number, since it uses as much as digits as its factorization.

14321413021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 14321413021 its reverse (12031412341), we get a palindrome (26352825362).

The spelling of 14321413021 in words is "fourteen billion, three hundred twenty-one million, four hundred thirteen thousand, twenty-one".