8546666459 has 2 divisors, whose sum is σ = 8546666460. Its totient is φ = 8546666458.

The previous prime is 8546666417. The next prime is 8546666467. The reversal of 8546666459 is 9546666458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8546666459 - 2²⁴ = 8529889243 is a prime.

It is a super-2 number, since 2×8546666459² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8546666398 and 8546666407.

It is not a weakly prime, because it can be changed into another prime (8546666159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4273333229 + 4273333230.

It is an arithmetic number, because the mean of its divisors is an integer number (4273333230).

Almost surely, 2^8546666459 is an apocalyptic number.

8546666459 is a deficient number, since it is larger than the sum of its proper divisors (1).

8546666459 is an equidigital number, since it uses as much as digits as its factorization.

8546666459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37324800, while the sum is 59.

The square root of 8546666459 is about 92448.1825619087. The cubic root of 8546666459 is about 2044.5555679608. Note that the first 4 decimals are identical.

Subtracting 8546666459 from its reverse (9546666458), we obtain a palindrome (999999999).

The spelling of 8546666459 in words is "eight billion, five hundred forty-six million, six hundred sixty-six thousand, four hundred fifty-nine".