204559294113 has 12 divisors (see below), whose sum is σ = 295520436900. Its totient is φ = 136351677696.

The previous prime is 204559294091. The next prime is 204559294153. The reversal of 204559294113 is 311492955402.

It is a happy number.

204559294113 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 592 + 9 + 41 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 197485138449 + 7074155664 = 444393^2 + 84108^2 .

It is not a de Polignac number, because 204559294113 - 2¹⁰ = 204559293089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204559294153) 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, 1704156 + ... + 1820237.

It is an arithmetic number, because the mean of its divisors is an integer number (24626703075).

Almost surely, 2^204559294113 is an apocalyptic number.

It is an amenable number.

204559294113 is a deficient number, since it is larger than the sum of its proper divisors (90961142787).

204559294113 is a wasteful number, since it uses less digits than its factorization.

204559294113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530848 (or 3530845 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 204559294113 in words is "two hundred four billion, five hundred fifty-nine million, two hundred ninety-four thousand, one hundred thirteen".