204119613 has 12 divisors (see below), whose sum is σ = 297545820. Its totient is φ = 134830656.

The previous prime is 204119611. The next prime is 204119633. The reversal of 204119613 is 316911402.

204119613 is a `hidden beast` number, since 2 + 0 + 41 + 1 + 9 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48818169 + 155301444 = 6987^2 + 12462^2 .

It is not a de Polignac number, because 204119613 - 2¹ = 204119611 is a prime.

It is a super-2 number, since 2×204119613² = 83329632822539538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204119611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103056 + ... + 105017.

It is an arithmetic number, because the mean of its divisors is an integer number (24795485).

Almost surely, 2^204119613 is an apocalyptic number.

It is an amenable number.

204119613 is a deficient number, since it is larger than the sum of its proper divisors (93426207).

204119613 is a wasteful number, since it uses less digits than its factorization.

204119613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208188 (or 208185 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 204119613 is about 14287.0435360154. The cubic root of 204119613 is about 588.7915637283.

The spelling of 204119613 in words is "two hundred four million, one hundred nineteen thousand, six hundred thirteen".