204819438364 has 12 divisors (see below), whose sum is σ = 359516901688. Its totient is φ = 102100323600.

The previous prime is 204819438361. The next prime is 204819438427. The reversal of 204819438364 is 463834918402.

204819438364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204819438361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77347407 + ... + 77350054.

Almost surely, 2^204819438364 is an apocalyptic number.

It is an amenable number.

204819438364 is a deficient number, since it is larger than the sum of its proper divisors (154697463324).

204819438364 is a wasteful number, since it uses less digits than its factorization.

204819438364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154697796 (or 154697794 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 204819438364 in words is "two hundred four billion, eight hundred nineteen million, four hundred thirty-eight thousand, three hundred sixty-four".