204432234217 has 2 divisors, whose sum is σ = 204432234218. Its totient is φ = 204432234216.

The previous prime is 204432234211. The next prime is 204432234241. The reversal of 204432234217 is 712432234402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203866698256 + 565535961 = 451516^2 + 23781^2 .

It is a cyclic number.

It is not a de Polignac number, because 204432234217 - 2²³ = 204423845609 is a prime.

It is not a weakly prime, because it can be changed into another prime (204432234211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102216117108 + 102216117109.

It is an arithmetic number, because the mean of its divisors is an integer number (102216117109).

Almost surely, 2^204432234217 is an apocalyptic number.

It is an amenable number.

204432234217 is a deficient number, since it is larger than the sum of its proper divisors (1).

204432234217 is an equidigital number, since it uses as much as digits as its factorization.

204432234217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 204432234217 its reverse (712432234402), we get a palindrome (916864468619).

The spelling of 204432234217 in words is "two hundred four billion, four hundred thirty-two million, two hundred thirty-four thousand, two hundred seventeen".