204304867199 has 16 divisors (see below), whose sum is σ = 213690597120. Its totient is φ = 194961486720.

The previous prime is 204304867127. The next prime is 204304867201. The reversal of 204304867199 is 991768403402.

It is a cyclic number.

It is not a de Polignac number, because 204304867199 - 2²⁰ = 204303818623 is a prime.

It is a super-3 number, since 3×204304867199³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204304867199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204304861199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27956504 + ... + 27963810.

It is an arithmetic number, because the mean of its divisors is an integer number (13355662320).

Almost surely, 2^204304867199 is an apocalyptic number.

204304867199 is a deficient number, since it is larger than the sum of its proper divisors (9385729921).

204304867199 is a wasteful number, since it uses less digits than its factorization.

204304867199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 204304867199 in words is "two hundred four billion, three hundred four million, eight hundred sixty-seven thousand, one hundred ninety-nine".