18382729292911 has 2 divisors, whose sum is σ = 18382729292912. Its totient is φ = 18382729292910.

The previous prime is 18382729292909. The next prime is 18382729292923. The reversal of 18382729292911 is 11929292728381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18382729292911 - 2¹ = 18382729292909 is a prime.

Together with 18382729292909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18382729292951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9191364646455 + 9191364646456.

It is an arithmetic number, because the mean of its divisors is an integer number (9191364646456).

Almost surely, 2^{18382729292911} is an apocalyptic number.

18382729292911 is a deficient number, since it is larger than the sum of its proper divisors (1).

18382729292911 is an equidigital number, since it uses as much as digits as its factorization.

18382729292911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 64.

The spelling of 18382729292911 in words is "eighteen trillion, three hundred eighty-two billion, seven hundred twenty-nine million, two hundred ninety-two thousand, nine hundred eleven".