486120209 has 2 divisors, whose sum is σ = 486120210. Its totient is φ = 486120208.

The previous prime is 486120191. The next prime is 486120221. The reversal of 486120209 is 902021684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303735184 + 182385025 = 17428^2 + 13505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-486120209 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (486120409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243060104 + 243060105.

It is an arithmetic number, because the mean of its divisors is an integer number (243060105).

Almost surely, 2^486120209 is an apocalyptic number.

It is an amenable number.

486120209 is a deficient number, since it is larger than the sum of its proper divisors (1).

486120209 is an equidigital number, since it uses as much as digits as its factorization.

486120209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 486120209 is about 22048.1339119663. The cubic root of 486120209 is about 786.2872352857.

The spelling of 486120209 in words is "four hundred eighty-six million, one hundred twenty thousand, two hundred nine".