204059185089 has 4 divisors (see below), whose sum is σ = 272078913456. Its totient is φ = 136039456724.

The previous prime is 204059185079. The next prime is 204059185091. The reversal of 204059185089 is 980581950402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204059185089 - 2⁷ = 204059184961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204059185019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34009864179 + ... + 34009864184.

It is an arithmetic number, because the mean of its divisors is an integer number (68019728364).

Almost surely, 2^204059185089 is an apocalyptic number.

It is an amenable number.

204059185089 is a deficient number, since it is larger than the sum of its proper divisors (68019728367).

204059185089 is an equidigital number, since it uses as much as digits as its factorization.

204059185089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68019728366.

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 204059185089 in words is "two hundred four billion, fifty-nine million, one hundred eighty-five thousand, eighty-nine".