204435560219 has 6 divisors (see below), whose sum is σ = 223022247084. Its totient is φ = 185849146020.

The previous prime is 204435560209. The next prime is 204435560249. The reversal of 204435560219 is 912065534402.

It is not a de Polignac number, because 204435560219 - 2²⁴ = 204418783003 is a prime.

It is a super-2 number, since 2×204435560219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204435560209) 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, 1431434 + ... + 1567760.

It is an arithmetic number, because the mean of its divisors is an integer number (37170374514).

Almost surely, 2^204435560219 is an apocalyptic number.

204435560219 is a deficient number, since it is larger than the sum of its proper divisors (18586686865).

204435560219 is an frugal number, since it uses more digits than its factorization.

204435560219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272665 (or 136338 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 204435560219 in words is "two hundred four billion, four hundred thirty-five million, five hundred sixty thousand, two hundred nineteen".