204846734943 has 16 divisors (see below), whose sum is σ = 309933596160. Its totient is φ = 133658861688.

The previous prime is 204846734909. The next prime is 204846734947. The reversal of 204846734943 is 349437648402.

204846734943 is a `hidden beast` number, since 2 + 0 + 4 + 84 + 6 + 73 + 494 + 3 = 666.

It is not a de Polignac number, because 204846734943 - 2³⁶ = 136127258207 is a prime.

It is a super-3 number, since 3×204846734943³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204846734943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204846734947) 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 15 ways as a sum of consecutive naturals, for example, 80710605 + ... + 80713142.

It is an arithmetic number, because the mean of its divisors is an integer number (19370849760).

Almost surely, 2^204846734943 is an apocalyptic number.

204846734943 is a deficient number, since it is larger than the sum of its proper divisors (105086861217).

204846734943 is a wasteful number, since it uses less digits than its factorization.

204846734943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161423803 (or 161423797 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 54.

The spelling of 204846734943 in words is "two hundred four billion, eight hundred forty-six million, seven hundred thirty-four thousand, nine hundred forty-three".