18030055613 has 2 divisors, whose sum is σ = 18030055614. Its totient is φ = 18030055612.

The previous prime is 18030055597. The next prime is 18030055679. The reversal of 18030055613 is 31655003081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12051209284 + 5978846329 = 109778^2 + 77323^2 .

It is a cyclic number.

It is not a de Polignac number, because 18030055613 - 2⁴ = 18030055597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18030055613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18030054613) 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, 9015027806 + 9015027807.

It is an arithmetic number, because the mean of its divisors is an integer number (9015027807).

Almost surely, 2^18030055613 is an apocalyptic number.

It is an amenable number.

18030055613 is a deficient number, since it is larger than the sum of its proper divisors (1).

18030055613 is an equidigital number, since it uses as much as digits as its factorization.

18030055613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 18030055613 its reverse (31655003081), we get a palindrome (49685058694).

The spelling of 18030055613 in words is "eighteen billion, thirty million, fifty-five thousand, six hundred thirteen".