204569740443 has 32 divisors (see below), whose sum is σ = 292600184832. Its totient is φ = 126828900000.

The previous prime is 204569740433. The next prime is 204569740447. The reversal of 204569740443 is 344047965402.

204569740443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204569740443 - 2¹⁰ = 204569739419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204569740392 and 204569740401.

It is not an unprimeable number, because it can be changed into a prime (204569740447) 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 31 ways as a sum of consecutive naturals, for example, 280818 + ... + 698568.

It is an arithmetic number, because the mean of its divisors is an integer number (9143755776).

Almost surely, 2^204569740443 is an apocalyptic number.

204569740443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204569740443 is a deficient number, since it is larger than the sum of its proper divisors (88030444389).

204569740443 is a wasteful number, since it uses less digits than its factorization.

204569740443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417975.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 204569740443 in words is "two hundred four billion, five hundred sixty-nine million, seven hundred forty thousand, four hundred forty-three".