18818162514659 has 2 divisors, whose sum is σ = 18818162514660. Its totient is φ = 18818162514658.

The previous prime is 18818162514583. The next prime is 18818162514661. The reversal of 18818162514659 is 95641526181881.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18818162514659 is a prime.

Together with 18818162514661, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18818162514595 and 18818162514604.

It is not a weakly prime, because it can be changed into another prime (18818162514059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9409081257329 + 9409081257330.

It is an arithmetic number, because the mean of its divisors is an integer number (9409081257330).

Almost surely, 2^{18818162514659} is an apocalyptic number.

18818162514659 is a deficient number, since it is larger than the sum of its proper divisors (1).

18818162514659 is an equidigital number, since it uses as much as digits as its factorization.

18818162514659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33177600, while the sum is 65.

The spelling of 18818162514659 in words is "eighteen trillion, eight hundred eighteen billion, one hundred sixty-two million, five hundred fourteen thousand, six hundred fifty-nine".