204308367353 has 2 divisors, whose sum is σ = 204308367354. Its totient is φ = 204308367352.

The previous prime is 204308367343. The next prime is 204308367359. The reversal of 204308367353 is 353763803402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126973206889 + 77335160464 = 356333^2 + 278092^2 .

It is a cyclic number.

It is not a de Polignac number, because 204308367353 - 2¹⁰ = 204308366329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (204308367359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102154183676 + 102154183677.

It is an arithmetic number, because the mean of its divisors is an integer number (102154183677).

Almost surely, 2^204308367353 is an apocalyptic number.

It is an amenable number.

204308367353 is a deficient number, since it is larger than the sum of its proper divisors (1).

204308367353 is an equidigital number, since it uses as much as digits as its factorization.

204308367353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 204308367353 in words is "two hundred four billion, three hundred eight million, three hundred sixty-seven thousand, three hundred fifty-three".