241320000209 has 2 divisors, whose sum is σ = 241320000210. Its totient is φ = 241320000208.

The previous prime is 241320000157. The next prime is 241320000241. The reversal of 241320000209 is 902000023142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200081763025 + 41238237184 = 447305^2 + 203072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241320000209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (241320000109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120660000104 + 120660000105.

It is an arithmetic number, because the mean of its divisors is an integer number (120660000105).

Almost surely, 2^241320000209 is an apocalyptic number.

It is an amenable number.

241320000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

241320000209 is an equidigital number, since it uses as much as digits as its factorization.

241320000209 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 23.

The spelling of 241320000209 in words is "two hundred forty-one billion, three hundred twenty million, two hundred nine", and thus it is an aban number.