489700229 has 2 divisors, whose sum is σ = 489700230. Its totient is φ = 489700228.

The previous prime is 489700193. The next prime is 489700301. The reversal of 489700229 is 922007984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489604129 + 96100 = 22127^2 + 310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489700229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489720229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244850114 + 244850115.

It is an arithmetic number, because the mean of its divisors is an integer number (244850115).

Almost surely, 2^489700229 is an apocalyptic number.

It is an amenable number.

489700229 is a deficient number, since it is larger than the sum of its proper divisors (1).

489700229 is an equidigital number, since it uses as much as digits as its factorization.

489700229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 489700229 is about 22129.1714485654. The cubic root of 489700229 is about 788.2127137746.

The spelling of 489700229 in words is "four hundred eighty-nine million, seven hundred thousand, two hundred twenty-nine".