558966449 has 2 divisors, whose sum is σ = 558966450. Its totient is φ = 558966448.

The previous prime is 558966433. The next prime is 558966451. The reversal of 558966449 is 944669855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425679424 + 133287025 = 20632^2 + 11545^2 .

It is a cyclic number.

It is not a de Polignac number, because 558966449 - 2⁴ = 558966433 is a prime.

It is a super-2 number, since 2×558966449² = 624886982215339202, which contains 22 as substring.

Together with 558966451, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 558966394 and 558966403.

It is not a weakly prime, because it can be changed into another prime (558966469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279483224 + 279483225.

It is an arithmetic number, because the mean of its divisors is an integer number (279483225).

Almost surely, 2^558966449 is an apocalyptic number.

It is an amenable number.

558966449 is a deficient number, since it is larger than the sum of its proper divisors (1).

558966449 is an equidigital number, since it uses as much as digits as its factorization.

558966449 is an evil number, because the sum of its binary digits is even.

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

The square root of 558966449 is about 23642.4712963768. The cubic root of 558966449 is about 823.7496573722.

The spelling of 558966449 in words is "five hundred fifty-eight million, nine hundred sixty-six thousand, four hundred forty-nine".