204231108829 has 16 divisors (see below), whose sum is σ = 235965877056. Its totient is φ = 174696851200.

The previous prime is 204231108779. The next prime is 204231108839. The reversal of 204231108829 is 928801132402.

It is a cyclic number.

It is not a de Polignac number, because 204231108829 - 2²⁷ = 204096891101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204231108791 and 204231108800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204231108839) 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, 571614 + ... + 857440.

It is an arithmetic number, because the mean of its divisors is an integer number (14747867316).

Almost surely, 2^204231108829 is an apocalyptic number.

It is an amenable number.

204231108829 is a deficient number, since it is larger than the sum of its proper divisors (31734768227).

204231108829 is a wasteful number, since it uses less digits than its factorization.

204231108829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289676.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 204231108829 in words is "two hundred four billion, two hundred thirty-one million, one hundred eight thousand, eight hundred twenty-nine".