556496489 has 2 divisors, whose sum is σ = 556496490. Its totient is φ = 556496488.

The previous prime is 556496429. The next prime is 556496503. The reversal of 556496489 is 984694655.

556496489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388405264 + 168091225 = 19708^2 + 12965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556496489 is a prime.

It is not a weakly prime, because it can be changed into another prime (556496419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278248244 + 278248245.

It is an arithmetic number, because the mean of its divisors is an integer number (278248245).

Almost surely, 2^556496489 is an apocalyptic number.

It is an amenable number.

556496489 is a deficient number, since it is larger than the sum of its proper divisors (1).

556496489 is an equidigital number, since it uses as much as digits as its factorization.

556496489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 56.

The square root of 556496489 is about 23590.1778077233. The cubic root of 556496489 is about 822.5345379571.

The spelling of 556496489 in words is "five hundred fifty-six million, four hundred ninety-six thousand, four hundred eighty-nine".