210224133989 has 2 divisors, whose sum is σ = 210224133990. Its totient is φ = 210224133988.

The previous prime is 210224133967. The next prime is 210224134009. The reversal of 210224133989 is 989331422012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116919544225 + 93304589764 = 341935^2 + 305458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210224133989 is a prime.

It is a super-2 number, since 2×210224133989² (a number of 23 digits) contains 22 as substring.

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 (210224133089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105112066994 + 105112066995.

It is an arithmetic number, because the mean of its divisors is an integer number (105112066995).

Almost surely, 2^210224133989 is an apocalyptic number.

It is an amenable number.

210224133989 is a deficient number, since it is larger than the sum of its proper divisors (1).

210224133989 is an equidigital number, since it uses as much as digits as its factorization.

210224133989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 210224133989 in words is "two hundred ten billion, two hundred twenty-four million, one hundred thirty-three thousand, nine hundred eighty-nine".