18458068147 has 2 divisors, whose sum is σ = 18458068148. Its totient is φ = 18458068146.

The previous prime is 18458068127. The next prime is 18458068151. The reversal of 18458068147 is 74186085481.

It is a strong prime.

It is an emirp because it is prime and its reverse (74186085481) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18458068147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18458068094 and 18458068103.

It is not a weakly prime, because it can be changed into another prime (18458068117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9229034073 + 9229034074.

It is an arithmetic number, because the mean of its divisors is an integer number (9229034074).

Almost surely, 2^18458068147 is an apocalyptic number.

18458068147 is a deficient number, since it is larger than the sum of its proper divisors (1).

18458068147 is an equidigital number, since it uses as much as digits as its factorization.

18458068147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 18458068147 in words is "eighteen billion, four hundred fifty-eight million, sixty-eight thousand, one hundred forty-seven".