204633434636 has 12 divisors (see below), whose sum is σ = 360252874128. Its totient is φ = 101704042032.

The previous prime is 204633434587. The next prime is 204633434651. The reversal of 204633434636 is 636434336402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153168071 + ... + 153169406.

It is an arithmetic number, because the mean of its divisors is an integer number (30021072844).

Almost surely, 2^204633434636 is an apocalyptic number.

It is an amenable number.

204633434636 is a deficient number, since it is larger than the sum of its proper divisors (155619439492).

204633434636 is a wasteful number, since it uses less digits than its factorization.

204633434636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306337648 (or 306337646 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 44.

The spelling of 204633434636 in words is "two hundred four billion, six hundred thirty-three million, four hundred thirty-four thousand, six hundred thirty-six".