18289070147 has 2 divisors, whose sum is σ = 18289070148. Its totient is φ = 18289070146.

The previous prime is 18289070119. The next prime is 18289070161. The reversal of 18289070147 is 74107098281.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18289070147 - 2¹² = 18289066051 is a prime.

It is not a weakly prime, because it can be changed into another prime (18289070117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9144535073 + 9144535074.

It is an arithmetic number, because the mean of its divisors is an integer number (9144535074).

Almost surely, 2^18289070147 is an apocalyptic number.

18289070147 is a deficient number, since it is larger than the sum of its proper divisors (1).

18289070147 is an equidigital number, since it uses as much as digits as its factorization.

18289070147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 18289070147 in words is "eighteen billion, two hundred eighty-nine million, seventy thousand, one hundred forty-seven".