558745489 has 2 divisors, whose sum is σ = 558745490. Its totient is φ = 558745488.

The previous prime is 558745423. The next prime is 558745501. The reversal of 558745489 is 984547855.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519156225 + 39589264 = 22785^2 + 6292^2 .

It is a cyclic number.

It is not a de Polignac number, because 558745489 - 2¹⁷ = 558614417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (558745189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279372744 + 279372745.

It is an arithmetic number, because the mean of its divisors is an integer number (279372745).

Almost surely, 2^558745489 is an apocalyptic number.

It is an amenable number.

558745489 is a deficient number, since it is larger than the sum of its proper divisors (1).

558745489 is an equidigital number, since it uses as much as digits as its factorization.

558745489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 55.

The square root of 558745489 is about 23637.7978881282. The cubic root of 558745489 is about 823.6411000438.

It can be divided in two parts, 5587 and 45489, that added together give a square (51076 = 226²).

The spelling of 558745489 in words is "five hundred fifty-eight million, seven hundred forty-five thousand, four hundred eighty-nine".