18073108601 has 2 divisors, whose sum is σ = 18073108602. Its totient is φ = 18073108600.

The previous prime is 18073108577. The next prime is 18073108631. The reversal of 18073108601 is 10680137081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17843616400 + 229492201 = 133580^2 + 15149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18073108601 is a prime.

It is not a weakly prime, because it can be changed into another prime (18073108631) 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, 9036554300 + 9036554301.

It is an arithmetic number, because the mean of its divisors is an integer number (9036554301).

Almost surely, 2^18073108601 is an apocalyptic number.

It is an amenable number.

18073108601 is a deficient number, since it is larger than the sum of its proper divisors (1).

18073108601 is an equidigital number, since it uses as much as digits as its factorization.

18073108601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 18073108601 in words is "eighteen billion, seventy-three million, one hundred eight thousand, six hundred one".