204511028239 has 8 divisors (see below), whose sum is σ = 235567259648. Its totient is φ = 173914889400.

The previous prime is 204511028237. The next prime is 204511028243. The reversal of 204511028239 is 932820115402.

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

It is not a de Polignac number, because 204511028239 - 2¹ = 204511028237 is a prime.

It is a super-2 number, since 2×204511028239² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204511028198 and 204511028207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204511028237) 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, 115022187 + ... + 115023964.

It is an arithmetic number, because the mean of its divisors is an integer number (29445907456).

Almost surely, 2^204511028239 is an apocalyptic number.

204511028239 is a deficient number, since it is larger than the sum of its proper divisors (31056231409).

204511028239 is a wasteful number, since it uses less digits than its factorization.

204511028239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230046285.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 204511028239 in words is "two hundred four billion, five hundred eleven million, twenty-eight thousand, two hundred thirty-nine".