204104285939 has 16 divisors (see below), whose sum is σ = 220451232960. Its totient is φ = 188248320000.

The previous prime is 204104285933. The next prime is 204104285953. The reversal of 204104285939 is 939582401402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 204104285939 - 2⁸ = 204104285683 is a prime.

It is a super-2 number, since 2×204104285939² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204104285893 and 204104285902.

It is not an unprimeable number, because it can be changed into a prime (204104285933) 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, 620939 + ... + 890939.

It is an arithmetic number, because the mean of its divisors is an integer number (13778202060).

Almost surely, 2^204104285939 is an apocalyptic number.

204104285939 is a deficient number, since it is larger than the sum of its proper divisors (16346947021).

204104285939 is a wasteful number, since it uses less digits than its factorization.

204104285939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270910.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 204104285939 in words is "two hundred four billion, one hundred four million, two hundred eighty-five thousand, nine hundred thirty-nine".