18184554728299 has 2 divisors, whose sum is σ = 18184554728300. Its totient is φ = 18184554728298.

The previous prime is 18184554728287. The next prime is 18184554728357. The reversal of 18184554728299 is 99282745548181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18184554728299 - 2⁴¹ = 15985531472747 is a prime.

It is a super-2 number, since 2×18184554728299² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18184554725299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9092277364149 + 9092277364150.

It is an arithmetic number, because the mean of its divisors is an integer number (9092277364150).

Almost surely, 2^{18184554728299} is an apocalyptic number.

18184554728299 is a deficient number, since it is larger than the sum of its proper divisors (1).

18184554728299 is an equidigital number, since it uses as much as digits as its factorization.

18184554728299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 464486400, while the sum is 73.

The spelling of 18184554728299 in words is "eighteen trillion, one hundred eighty-four billion, five hundred fifty-four million, seven hundred twenty-eight thousand, two hundred ninety-nine".