200003129993 has 2 divisors, whose sum is σ = 200003129994. Its totient is φ = 200003129992.

The previous prime is 200003129959. The next prime is 200003129999. The reversal of 200003129993 is 399921300002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172958669689 + 27044460304 = 415883^2 + 164452^2 .

It is a cyclic number.

It is not a de Polignac number, because 200003129993 - 2²⁴ = 199986352777 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 (200003129999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001564996 + 100001564997.

It is an arithmetic number, because the mean of its divisors is an integer number (100001564997).

Almost surely, 2^200003129993 is an apocalyptic number.

It is an amenable number.

200003129993 is a deficient number, since it is larger than the sum of its proper divisors (1).

200003129993 is an equidigital number, since it uses as much as digits as its factorization.

200003129993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 38.

Adding to 200003129993 its reverse (399921300002), we get a palindrome (599924429995).

The spelling of 200003129993 in words is "two hundred billion, three million, one hundred twenty-nine thousand, nine hundred ninety-three".