204214312321417 has 2 divisors, whose sum is σ = 204214312321418. Its totient is φ = 204214312321416.

The previous prime is 204214312321297. The next prime is 204214312321421. The reversal of 204214312321417 is 714123213412402.

204214312321417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200355645327616 + 3858666993801 = 14154704^2 + 1964349^2 .

It is a cyclic number.

It is not a de Polignac number, because 204214312321417 - 2⁴⁷ = 63476823966089 is a prime.

It is not a weakly prime, because it can be changed into another prime (204214315321417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102107156160708 + 102107156160709.

It is an arithmetic number, because the mean of its divisors is an integer number (102107156160709).

Almost surely, 2^{204214312321417} is an apocalyptic number.

It is an amenable number.

204214312321417 is a deficient number, since it is larger than the sum of its proper divisors (1).

204214312321417 is an equidigital number, since it uses as much as digits as its factorization.

204214312321417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 204214312321417 its reverse (714123213412402), we get a palindrome (918337525733819).

The spelling of 204214312321417 in words is "two hundred four trillion, two hundred fourteen billion, three hundred twelve million, three hundred twenty-one thousand, four hundred seventeen".