203300410993 has 2 divisors, whose sum is σ = 203300410994. Its totient is φ = 203300410992.

The previous prime is 203300410991. The next prime is 203300411123. The reversal of 203300410993 is 399014003302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125151090289 + 78149320704 = 353767^2 + 279552^2 .

It is a cyclic number.

It is not a de Polignac number, because 203300410993 - 2¹ = 203300410991 is a prime.

Together with 203300410991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (203300410991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101650205496 + 101650205497.

It is an arithmetic number, because the mean of its divisors is an integer number (101650205497).

Almost surely, 2^203300410993 is an apocalyptic number.

It is an amenable number.

203300410993 is a deficient number, since it is larger than the sum of its proper divisors (1).

203300410993 is an equidigital number, since it uses as much as digits as its factorization.

203300410993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 203300410993 in words is "two hundred three billion, three hundred million, four hundred ten thousand, nine hundred ninety-three".