558213949 has 2 divisors, whose sum is σ = 558213950. Its totient is φ = 558213948.

The previous prime is 558213947. The next prime is 558214009. The reversal of 558213949 is 949312855.

558213949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292752100 + 265461849 = 17110^2 + 16293^2 .

It is a cyclic number.

It is not a de Polignac number, because 558213949 - 2¹ = 558213947 is a prime.

Together with 558213947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 558213899 and 558213908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (558213941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279106974 + 279106975.

It is an arithmetic number, because the mean of its divisors is an integer number (279106975).

Almost surely, 2^558213949 is an apocalyptic number.

It is an amenable number.

558213949 is a deficient number, since it is larger than the sum of its proper divisors (1).

558213949 is an equidigital number, since it uses as much as digits as its factorization.

558213949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 46.

The square root of 558213949 is about 23626.5517797244. The cubic root of 558213949 is about 823.3798379250.

The spelling of 558213949 in words is "five hundred fifty-eight million, two hundred thirteen thousand, nine hundred forty-nine".