204043440314117 has 2 divisors, whose sum is σ = 204043440314118. Its totient is φ = 204043440314116.

The previous prime is 204043440314009. The next prime is 204043440314209. The reversal of 204043440314117 is 711413044340402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133977985912996 + 70065454401121 = 11574886^2 + 8370511^2 .

It is a cyclic number.

It is not a de Polignac number, because 204043440314117 - 2¹⁴ = 204043440297733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204043440313117) 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, 102021720157058 + 102021720157059.

It is an arithmetic number, because the mean of its divisors is an integer number (102021720157059).

Almost surely, 2^{204043440314117} is an apocalyptic number.

It is an amenable number.

204043440314117 is a deficient number, since it is larger than the sum of its proper divisors (1).

204043440314117 is an equidigital number, since it uses as much as digits as its factorization.

204043440314117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

Adding to 204043440314117 its reverse (711413044340402), we get a palindrome (915456484654519).

The spelling of 204043440314117 in words is "two hundred four trillion, forty-three billion, four hundred forty million, three hundred fourteen thousand, one hundred seventeen".