18276332233 has 2 divisors, whose sum is σ = 18276332234. Its totient is φ = 18276332232.

The previous prime is 18276332227. The next prime is 18276332267. The reversal of 18276332233 is 33223367281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18092133049 + 184199184 = 134507^2 + 13572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18276332233 is a prime.

It is not a weakly prime, because it can be changed into another prime (18277332233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9138166116 + 9138166117.

It is an arithmetic number, because the mean of its divisors is an integer number (9138166117).

Almost surely, 2^18276332233 is an apocalyptic number.

It is an amenable number.

18276332233 is a deficient number, since it is larger than the sum of its proper divisors (1).

18276332233 is an equidigital number, since it uses as much as digits as its factorization.

18276332233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The spelling of 18276332233 in words is "eighteen billion, two hundred seventy-six million, three hundred thirty-two thousand, two hundred thirty-three".