14428585728569 has 2 divisors, whose sum is σ = 14428585728570. Its totient is φ = 14428585728568.

The previous prime is 14428585728523. The next prime is 14428585728589. The reversal of 14428585728569 is 96582758582441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14395384515625 + 33201212944 = 3794125^2 + 182212^2 .

It is a cyclic number.

It is not a de Polignac number, because 14428585728569 - 2²⁴ = 14428568951353 is a prime.

It is a super-2 number, since 2×14428585728569² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14428585728496 and 14428585728505.

It is not a weakly prime, because it can be changed into another prime (14428585728589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7214292864284 + 7214292864285.

It is an arithmetic number, because the mean of its divisors is an integer number (7214292864285).

Almost surely, 2^{14428585728569} is an apocalyptic number.

It is an amenable number.

14428585728569 is a deficient number, since it is larger than the sum of its proper divisors (1).

14428585728569 is an equidigital number, since it uses as much as digits as its factorization.

14428585728569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288000, while the sum is 74.

The spelling of 14428585728569 in words is "fourteen trillion, four hundred twenty-eight billion, five hundred eighty-five million, seven hundred twenty-eight thousand, five hundred sixty-nine".