18827376233 has 2 divisors, whose sum is σ = 18827376234. Its totient is φ = 18827376232.

The previous prime is 18827376229. The next prime is 18827376247. The reversal of 18827376233 is 33267372881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14380086889 + 4447289344 = 119917^2 + 66688^2 .

It is a cyclic number.

It is not a de Polignac number, because 18827376233 - 2² = 18827376229 is a prime.

It is not a weakly prime, because it can be changed into another prime (18827372233) 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, 9413688116 + 9413688117.

It is an arithmetic number, because the mean of its divisors is an integer number (9413688117).

Almost surely, 2^18827376233 is an apocalyptic number.

It is an amenable number.

18827376233 is a deficient number, since it is larger than the sum of its proper divisors (1).

18827376233 is an equidigital number, since it uses as much as digits as its factorization.

18827376233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 50.

The spelling of 18827376233 in words is "eighteen billion, eight hundred twenty-seven million, three hundred seventy-six thousand, two hundred thirty-three".