210210322009 has 2 divisors, whose sum is σ = 210210322010. Its totient is φ = 210210322008.

The previous prime is 210210321973. The next prime is 210210322013. The reversal of 210210322009 is 900223012012.

210210322009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142711683984 + 67498638025 = 377772^2 + 259805^2 .

It is a cyclic number.

It is not a de Polignac number, because 210210322009 - 2¹⁵ = 210210289241 is a prime.

It is not a weakly prime, because it can be changed into another prime (210210322019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105161004 + 105105161005.

It is an arithmetic number, because the mean of its divisors is an integer number (105105161005).

Almost surely, 2^210210322009 is an apocalyptic number.

It is an amenable number.

210210322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

210210322009 is an equidigital number, since it uses as much as digits as its factorization.

210210322009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 210210322009 in words is "two hundred ten billion, two hundred ten million, three hundred twenty-two thousand, nine".