2068269221 has 2 divisors, whose sum is σ = 2068269222. Its totient is φ = 2068269220.

The previous prime is 2068269209. The next prime is 2068269271. The reversal of 2068269221 is 1229628602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2044396225 + 23872996 = 45215^2 + 4886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068269221 - 2⁶ = 2068269157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2068269271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034134610 + 1034134611.

It is an arithmetic number, because the mean of its divisors is an integer number (1034134611).

Almost surely, 2^2068269221 is an apocalyptic number.

It is an amenable number.

2068269221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068269221 is an equidigital number, since it uses as much as digits as its factorization.

2068269221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2068269221 is about 45478.2279887860. The cubic root of 2068269221 is about 1274.0965987493.

The spelling of 2068269221 in words is "two billion, sixty-eight million, two hundred sixty-nine thousand, two hundred twenty-one".