18482966989 has 2 divisors, whose sum is σ = 18482966990. Its totient is φ = 18482966988.

The previous prime is 18482966977. The next prime is 18482967011. The reversal of 18482966989 is 98966928481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10442796100 + 8040170889 = 102190^2 + 89667^2 .

It is an emirp because it is prime and its reverse (98966928481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18482966989 - 2⁷ = 18482966861 is a prime.

It is a super-2 number, since 2×18482966989² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18482966959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9241483494 + 9241483495.

It is an arithmetic number, because the mean of its divisors is an integer number (9241483495).

Almost surely, 2^18482966989 is an apocalyptic number.

It is an amenable number.

18482966989 is a deficient number, since it is larger than the sum of its proper divisors (1).

18482966989 is an equidigital number, since it uses as much as digits as its factorization.

18482966989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107495424, while the sum is 70.

The spelling of 18482966989 in words is "eighteen billion, four hundred eighty-two million, nine hundred sixty-six thousand, nine hundred eighty-nine".