204102246939 has 16 divisors (see below), whose sum is σ = 274949875200. Its totient is φ = 134663040576.

The previous prime is 204102246917. The next prime is 204102246941. The reversal of 204102246939 is 939642201402.

It is not a de Polignac number, because 204102246939 - 2⁸ = 204102246683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204102246939.

It is not an unprimeable number, because it can be changed into a prime (204102246949) 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, 291922 + ... + 702440.

It is an arithmetic number, because the mean of its divisors is an integer number (17184367200).

Almost surely, 2^204102246939 is an apocalyptic number.

204102246939 is a deficient number, since it is larger than the sum of its proper divisors (70847628261).

204102246939 is a wasteful number, since it uses less digits than its factorization.

204102246939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412234.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 204102246939 in words is "two hundred four billion, one hundred two million, two hundred forty-six thousand, nine hundred thirty-nine".