4042200240209 has 2 divisors, whose sum is σ = 4042200240210. Its totient is φ = 4042200240208.

The previous prime is 4042200240161. The next prime is 4042200240241. The reversal of 4042200240209 is 9020420022404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3503062492609 + 539137747600 = 1871647^2 + 734260^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042200240209 - 2⁸ = 4042200239953 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042200246209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021100120104 + 2021100120105.

It is an arithmetic number, because the mean of its divisors is an integer number (2021100120105).

Almost surely, 2^{4042200240209} is an apocalyptic number.

It is an amenable number.

4042200240209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042200240209 is an equidigital number, since it uses as much as digits as its factorization.

4042200240209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 4042200240209 in words is "four trillion, forty-two billion, two hundred million, two hundred forty thousand, two hundred nine".