204289129593 has 16 divisors (see below), whose sum is σ = 304654876800. Its totient is φ = 135290811600.

The previous prime is 204289129573. The next prime is 204289129657. The reversal of 204289129593 is 395921982402.

204289129593 is a `hidden beast` number, since 2 + 0 + 4 + 28 + 9 + 1 + 29 + 593 = 666.

It is not a de Polignac number, because 204289129593 - 2⁸ = 204289129337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204289129573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25049778 + ... + 25057931.

It is an arithmetic number, because the mean of its divisors is an integer number (19040929800).

Almost surely, 2^204289129593 is an apocalyptic number.

It is an amenable number.

204289129593 is a deficient number, since it is larger than the sum of its proper divisors (100365747207).

204289129593 is a wasteful number, since it uses less digits than its factorization.

204289129593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50107869 (or 50107863 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 204289129593 in words is "two hundred four billion, two hundred eighty-nine million, one hundred twenty-nine thousand, five hundred ninety-three".