204419099 has 4 divisors (see below), whose sum is σ = 205889880. Its totient is φ = 202948320.

The previous prime is 204419093. The next prime is 204419143. The reversal of 204419099 is 990914402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204419099 - 2¹⁶ = 204353563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204419093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735182 + ... + 735459.

It is an arithmetic number, because the mean of its divisors is an integer number (51472470).

Almost surely, 2^204419099 is an apocalyptic number.

204419099 is a deficient number, since it is larger than the sum of its proper divisors (1470781).

204419099 is a wasteful number, since it uses less digits than its factorization.

204419099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470780.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 204419099 is about 14297.5207291334. The cubic root of 204419099 is about 589.0793829762.

The spelling of 204419099 in words is "two hundred four million, four hundred nineteen thousand, ninety-nine".