18289000417 has 2 divisors, whose sum is σ = 18289000418. Its totient is φ = 18289000416.

The previous prime is 18289000403. The next prime is 18289000453. The reversal of 18289000417 is 71400098281.

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., 14480752896 + 3808247521 = 120336^2 + 61711^2 .

It is a cyclic number.

It is not a de Polignac number, because 18289000417 - 2¹¹ = 18288998369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18289000417.

It is not a weakly prime, because it can be changed into another prime (18289000217) 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, 9144500208 + 9144500209.

It is an arithmetic number, because the mean of its divisors is an integer number (9144500209).

Almost surely, 2^18289000417 is an apocalyptic number.

It is an amenable number.

18289000417 is a deficient number, since it is larger than the sum of its proper divisors (1).

18289000417 is an equidigital number, since it uses as much as digits as its factorization.

18289000417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

Adding to 18289000417 its reverse (71400098281), we get a palindrome (89689098698).

The spelling of 18289000417 in words is "eighteen billion, two hundred eighty-nine million, four hundred seventeen", and thus it is an aban number.