204654053605 has 8 divisors (see below), whose sum is σ = 246243271032. Its totient is φ = 163284305088.

The previous prime is 204654053579. The next prime is 204654053609. The reversal of 204654053605 is 506350456402.

It is a happy number.

204654053605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 80973824481 + 123680229124 = 284559^2 + 351682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204654053605 - 2⁵ = 204654053573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204654053609) 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 in 7 ways as a sum of consecutive naturals, for example, 54865174 + ... + 54868903.

It is an arithmetic number, because the mean of its divisors is an integer number (30780408879).

Almost surely, 2^204654053605 is an apocalyptic number.

It is an amenable number.

204654053605 is a deficient number, since it is larger than the sum of its proper divisors (41589217427).

204654053605 is a wasteful number, since it uses less digits than its factorization.

204654053605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109734455.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 204654053605 in words is "two hundred four billion, six hundred fifty-four million, fifty-three thousand, six hundred five".