204641456653 has 2 divisors, whose sum is σ = 204641456654. Its totient is φ = 204641456652.

The previous prime is 204641456647. The next prime is 204641456689. The reversal of 204641456653 is 356654146402.

204641456653 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., 113701816809 + 90939639844 = 337197^2 + 301562^2 .

It is a cyclic number.

It is not a de Polignac number, because 204641456653 - 2³³ = 196051522061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204641456603) 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, 102320728326 + 102320728327.

It is an arithmetic number, because the mean of its divisors is an integer number (102320728327).

Almost surely, 2^204641456653 is an apocalyptic number.

It is an amenable number.

204641456653 is a deficient number, since it is larger than the sum of its proper divisors (1).

204641456653 is an equidigital number, since it uses as much as digits as its factorization.

204641456653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 204641456653 in words is "two hundred four billion, six hundred forty-one million, four hundred fifty-six thousand, six hundred fifty-three".