486648209 has 2 divisors, whose sum is σ = 486648210. Its totient is φ = 486648208.

The previous prime is 486648203. The next prime is 486648221. The reversal of 486648209 is 902846684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344919184 + 141729025 = 18572^2 + 11905^2 .

It is a cyclic number.

It is not a de Polignac number, because 486648209 - 2¹² = 486644113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (486648203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243324104 + 243324105.

It is an arithmetic number, because the mean of its divisors is an integer number (243324105).

Almost surely, 2^486648209 is an apocalyptic number.

It is an amenable number.

486648209 is a deficient number, since it is larger than the sum of its proper divisors (1).

486648209 is an equidigital number, since it uses as much as digits as its factorization.

486648209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 486648209 is about 22060.1044648478. The cubic root of 486648209 is about 786.5718078629.

The spelling of 486648209 in words is "four hundred eighty-six million, six hundred forty-eight thousand, two hundred nine".