204043363245533 has 12 divisors (see below), whose sum is σ = 251318716315452. Its totient is φ = 164606410684800.

The previous prime is 204043363245523. The next prime is 204043363245559. The reversal of 204043363245533 is 335542363340402.

It can be written as a sum of positive squares in 2 ways, for example, as 176077055976409 + 27966307269124 = 13269403^2 + 5288318^2 .

It is not a de Polignac number, because 204043363245533 - 2¹⁰ = 204043363244509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204043363245523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122475007118 + ... + 122475008783.

It is an arithmetic number, because the mean of its divisors is an integer number (20943226359621).

Almost surely, 2^{204043363245533} is an apocalyptic number.

It is an amenable number.

204043363245533 is a deficient number, since it is larger than the sum of its proper divisors (47275353069919).

204043363245533 is a wasteful number, since it uses less digits than its factorization.

204043363245533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244950015932 (or 244950015925 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 47.

The spelling of 204043363245533 in words is "two hundred four trillion, forty-three billion, three hundred sixty-three million, two hundred forty-five thousand, five hundred thirty-three".