204650399425 has 12 divisors (see below), whose sum is σ = 262517065020. Its totient is φ = 158074790720.

The previous prime is 204650399381. The next prime is 204650399431. The reversal of 204650399425 is 524993056402.

204650399425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 20736 + 204650378689 = 144^2 + 452383^2 .

It is not a de Polignac number, because 204650399425 - 2³³ = 196060464833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141137482 + ... + 141138931.

It is an arithmetic number, because the mean of its divisors is an integer number (21876422085).

Almost surely, 2^204650399425 is an apocalyptic number.

204650399425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204650399425 is a deficient number, since it is larger than the sum of its proper divisors (57866665595).

204650399425 is a wasteful number, since it uses less digits than its factorization.

204650399425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282276452 (or 282276447 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 204650399425 in words is "two hundred four billion, six hundred fifty million, three hundred ninety-nine thousand, four hundred twenty-five".