204430704249 has 8 divisors (see below), whose sum is σ = 274535238880. Its totient is φ = 135306652896.

The previous prime is 204430704223. The next prime is 204430704251. The reversal of 204430704249 is 942407034402.

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

It is not a de Polignac number, because 204430704249 - 2¹⁷ = 204430573177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204430704259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245120332 + ... + 245121165.

It is an arithmetic number, because the mean of its divisors is an integer number (34316904860).

Almost surely, 2^204430704249 is an apocalyptic number.

It is an amenable number.

204430704249 is a deficient number, since it is larger than the sum of its proper divisors (70104534631).

204430704249 is a wasteful number, since it uses less digits than its factorization.

204430704249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490241639.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 204430704249 in words is "two hundred four billion, four hundred thirty million, seven hundred four thousand, two hundred forty-nine".