18452340017 has 2 divisors, whose sum is σ = 18452340018. Its totient is φ = 18452340016.

The previous prime is 18452339989. The next prime is 18452340037. The reversal of 18452340017 is 71004325481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17360434081 + 1091905936 = 131759^2 + 33044^2 .

It is a cyclic number.

It is not a de Polignac number, because 18452340017 - 2⁸ = 18452339761 is a prime.

It is not a weakly prime, because it can be changed into another prime (18452340037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9226170008 + 9226170009.

It is an arithmetic number, because the mean of its divisors is an integer number (9226170009).

Almost surely, 2^18452340017 is an apocalyptic number.

It is an amenable number.

18452340017 is a deficient number, since it is larger than the sum of its proper divisors (1).

18452340017 is an equidigital number, since it uses as much as digits as its factorization.

18452340017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 18452340017 its reverse (71004325481), we get a palindrome (89456665498).

The spelling of 18452340017 in words is "eighteen billion, four hundred fifty-two million, three hundred forty thousand, seventeen".