204508253903 has 2 divisors, whose sum is σ = 204508253904. Its totient is φ = 204508253902.

The previous prime is 204508253881. The next prime is 204508253923. The reversal of 204508253903 is 309352805402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204508253903 - 2⁸ = 204508253647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204508253923) 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, 102254126951 + 102254126952.

It is an arithmetic number, because the mean of its divisors is an integer number (102254126952).

Almost surely, 2^204508253903 is an apocalyptic number.

204508253903 is a deficient number, since it is larger than the sum of its proper divisors (1).

204508253903 is an equidigital number, since it uses as much as digits as its factorization.

204508253903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 204508253903 in words is "two hundred four billion, five hundred eight million, two hundred fifty-three thousand, nine hundred three".