204969565803 has 32 divisors (see below), whose sum is σ = 282692616192. Its totient is φ = 132049159200.

The previous prime is 204969565799. The next prime is 204969565813. The reversal of 204969565803 is 308565969402.

It is not a de Polignac number, because 204969565803 - 2² = 204969565799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204969565813) 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 in 31 ways as a sum of consecutive naturals, for example, 2199588 + ... + 2290878.

It is an arithmetic number, because the mean of its divisors is an integer number (8834144256).

Almost surely, 2^204969565803 is an apocalyptic number.

204969565803 is a deficient number, since it is larger than the sum of its proper divisors (77723050389).

204969565803 is a wasteful number, since it uses less digits than its factorization.

204969565803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91575.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 204969565803 in words is "two hundred four billion, nine hundred sixty-nine million, five hundred sixty-five thousand, eight hundred three".