18054302813 has 2 divisors, whose sum is σ = 18054302814. Its totient is φ = 18054302812.

The previous prime is 18054302771. The next prime is 18054302879. The reversal of 18054302813 is 31820345081.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10593143929 + 7461158884 = 102923^2 + 86378^2 .

It is a cyclic number.

It is not a de Polignac number, because 18054302813 - 2¹⁶ = 18054237277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18054308813) 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, 9027151406 + 9027151407.

It is an arithmetic number, because the mean of its divisors is an integer number (9027151407).

Almost surely, 2^18054302813 is an apocalyptic number.

It is an amenable number.

18054302813 is a deficient number, since it is larger than the sum of its proper divisors (1).

18054302813 is an equidigital number, since it uses as much as digits as its factorization.

18054302813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 18054302813 its reverse (31820345081), we get a palindrome (49874647894).

The spelling of 18054302813 in words is "eighteen billion, fifty-four million, three hundred two thousand, eight hundred thirteen".