204093889899 has 16 divisors (see below), whose sum is σ = 272633731104. Its totient is φ = 135808416000.

The previous prime is 204093889841. The next prime is 204093889913. The reversal of 204093889899 is 998988390402.

It is not a de Polignac number, because 204093889899 - 2¹² = 204093885803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204093889819) 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, 12636369 + ... + 12652509.

It is an arithmetic number, because the mean of its divisors is an integer number (17039608194).

Almost surely, 2^204093889899 is an apocalyptic number.

204093889899 is a deficient number, since it is larger than the sum of its proper divisors (68539841205).

204093889899 is a wasteful number, since it uses less digits than its factorization.

204093889899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23758.

The product of its (nonzero) digits is 80621568, while the sum is 69.

The spelling of 204093889899 in words is "two hundred four billion, ninety-three million, eight hundred eighty-nine thousand, eight hundred ninety-nine".