203668483253 has 2 divisors, whose sum is σ = 203668483254. Its totient is φ = 203668483252.

The previous prime is 203668483199. The next prime is 203668483273. The reversal of 203668483253 is 352384866302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113429524849 + 90238958404 = 336793^2 + 300398^2 .

It is a cyclic number.

It is not a de Polignac number, because 203668483253 - 2¹⁶ = 203668417717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203668483273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101834241626 + 101834241627.

It is an arithmetic number, because the mean of its divisors is an integer number (101834241627).

Almost surely, 2^203668483253 is an apocalyptic number.

It is an amenable number.

203668483253 is a deficient number, since it is larger than the sum of its proper divisors (1).

203668483253 is an equidigital number, since it uses as much as digits as its factorization.

203668483253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 203668483253 in words is "two hundred three billion, six hundred sixty-eight million, four hundred eighty-three thousand, two hundred fifty-three".