14717966621 has 2 divisors, whose sum is σ = 14717966622. Its totient is φ = 14717966620.

The previous prime is 14717966611. The next prime is 14717966633. The reversal of 14717966621 is 12666971741.

It is a happy number.

14717966621 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., 10854722596 + 3863244025 = 104186^2 + 62155^2 .

It is a cyclic number.

It is not a de Polignac number, because 14717966621 - 2¹⁴ = 14717950237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14717966621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14717966611) 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, 7358983310 + 7358983311.

It is an arithmetic number, because the mean of its divisors is an integer number (7358983311).

Almost surely, 2^14717966621 is an apocalyptic number.

It is an amenable number.

14717966621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14717966621 is an equidigital number, since it uses as much as digits as its factorization.

14717966621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The spelling of 14717966621 in words is "fourteen billion, seven hundred seventeen million, nine hundred sixty-six thousand, six hundred twenty-one".