489073229 has 2 divisors, whose sum is σ = 489073230. Its totient is φ = 489073228.

The previous prime is 489073223. The next prime is 489073237. The reversal of 489073229 is 922370984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489073225 + 4 = 22115^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489073229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489073229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489073223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244536614 + 244536615.

It is an arithmetic number, because the mean of its divisors is an integer number (244536615).

Almost surely, 2^489073229 is an apocalyptic number.

It is an amenable number.

489073229 is a deficient number, since it is larger than the sum of its proper divisors (1).

489073229 is an equidigital number, since it uses as much as digits as its factorization.

489073229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 489073229 is about 22115.0000904364. Note that the first 4 decimals coincide. The cubic root of 489073229 is about 787.8761674435.

The spelling of 489073229 in words is "four hundred eighty-nine million, seventy-three thousand, two hundred twenty-nine".