544666459 has 2 divisors, whose sum is σ = 544666460. Its totient is φ = 544666458.

The previous prime is 544666439. The next prime is 544666469. The reversal of 544666459 is 954666445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544666459 - 2¹³ = 544658267 is a prime.

It is not a weakly prime, because it can be changed into another prime (544666439) 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, 272333229 + 272333230.

It is an arithmetic number, because the mean of its divisors is an integer number (272333230).

Almost surely, 2^544666459 is an apocalyptic number.

544666459 is a deficient number, since it is larger than the sum of its proper divisors (1).

544666459 is an equidigital number, since it uses as much as digits as its factorization.

544666459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 49.

The square root of 544666459 is about 23338.0903031932. The cubic root of 544666459 is about 816.6642490187.

The spelling of 544666459 in words is "five hundred forty-four million, six hundred sixty-six thousand, four hundred fifty-nine".