204430343547 has 6 divisors (see below), whose sum is σ = 272574835572. Its totient is φ = 136286373612.

The previous prime is 204430343483. The next prime is 204430343569. The reversal of 204430343547 is 745343034402.

It is not a de Polignac number, because 204430343547 - 2⁶ = 204430343483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204430343347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 652608 + ... + 913650.

It is an arithmetic number, because the mean of its divisors is an integer number (45429139262).

Almost surely, 2^204430343547 is an apocalyptic number.

204430343547 is a deficient number, since it is larger than the sum of its proper divisors (68144492025).

204430343547 is an frugal number, since it uses more digits than its factorization.

204430343547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522089 (or 261046 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 39.

Adding to 204430343547 its reverse (745343034402), we get a palindrome (949773377949).

The spelling of 204430343547 in words is "two hundred four billion, four hundred thirty million, three hundred forty-three thousand, five hundred forty-seven".