204536234858 has 8 divisors (see below), whose sum is σ = 306818902080. Its totient is φ = 102263267500.

The previous prime is 204536234857. The next prime is 204536234869. The reversal of 204536234858 is 858432635402.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204536234857) 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 3 ways as a sum of consecutive naturals, for example, 2372018 + ... + 2456733.

It is an arithmetic number, because the mean of its divisors is an integer number (38352362760).

Almost surely, 2^204536234858 is an apocalyptic number.

204536234858 is a deficient number, since it is larger than the sum of its proper divisors (102282667222).

204536234858 is a wasteful number, since it uses less digits than its factorization.

204536234858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849932.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 204536234858 in words is "two hundred four billion, five hundred thirty-six million, two hundred thirty-four thousand, eight hundred fifty-eight".