204533953943 has 8 divisors (see below), whose sum is σ = 228570095376. Its totient is φ = 181404836800.

The previous prime is 204533953907. The next prime is 204533953997. The reversal of 204533953943 is 349359335402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204533953943 - 2²⁸ = 204265518487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204533953891 and 204533953900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204533953643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226755596 + ... + 226756497.

It is an arithmetic number, because the mean of its divisors is an integer number (28571261922).

Almost surely, 2^204533953943 is an apocalyptic number.

204533953943 is a deficient number, since it is larger than the sum of its proper divisors (24036141433).

204533953943 is a wasteful number, since it uses less digits than its factorization.

204533953943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453512145.

The product of its (nonzero) digits is 5248800, while the sum is 50.

The spelling of 204533953943 in words is "two hundred four billion, five hundred thirty-three million, nine hundred fifty-three thousand, nine hundred forty-three".