204451459853 has 2 divisors, whose sum is σ = 204451459854. Its totient is φ = 204451459852.

The previous prime is 204451459841. The next prime is 204451459931. The reversal of 204451459853 is 358954154402.

204451459853 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 can be written as a sum of positive squares in only one way, i.e., 198290308804 + 6161151049 = 445298^2 + 78493^2 .

It is a cyclic number.

It is not a de Polignac number, because 204451459853 - 2²² = 204447265549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204451459813) 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, 102225729926 + 102225729927.

It is an arithmetic number, because the mean of its divisors is an integer number (102225729927).

Almost surely, 2^204451459853 is an apocalyptic number.

It is an amenable number.

204451459853 is a deficient number, since it is larger than the sum of its proper divisors (1).

204451459853 is an equidigital number, since it uses as much as digits as its factorization.

204451459853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 204451459853 in words is "two hundred four billion, four hundred fifty-one million, four hundred fifty-nine thousand, eight hundred fifty-three".