412116209 has 2 divisors, whose sum is σ = 412116210. Its totient is φ = 412116208.

The previous prime is 412116169. The next prime is 412116217. The reversal of 412116209 is 902611214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250114225 + 162001984 = 15815^2 + 12728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412116209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (412116109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206058104 + 206058105.

It is an arithmetic number, because the mean of its divisors is an integer number (206058105).

Almost surely, 2^412116209 is an apocalyptic number.

It is an amenable number.

412116209 is a deficient number, since it is larger than the sum of its proper divisors (1).

412116209 is an equidigital number, since it uses as much as digits as its factorization.

412116209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 412116209 is about 20300.6455316081. The cubic root of 412116209 is about 744.1718401249.

The spelling of 412116209 in words is "four hundred twelve million, one hundred sixteen thousand, two hundred nine".