204884963863 has 2 divisors, whose sum is σ = 204884963864. Its totient is φ = 204884963862.

The previous prime is 204884963851. The next prime is 204884963887. The reversal of 204884963863 is 368369488402.

204884963863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204884963863 - 2¹⁷ = 204884832791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204884933863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102442481931 + 102442481932.

It is an arithmetic number, because the mean of its divisors is an integer number (102442481932).

Almost surely, 2^204884963863 is an apocalyptic number.

204884963863 is a deficient number, since it is larger than the sum of its proper divisors (1).

204884963863 is an equidigital number, since it uses as much as digits as its factorization.

204884963863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47775744, while the sum is 61.

The spelling of 204884963863 in words is "two hundred four billion, eight hundred eighty-four million, nine hundred sixty-three thousand, eight hundred sixty-three".