18959444022833 has 2 divisors, whose sum is σ = 18959444022834. Its totient is φ = 18959444022832.

The previous prime is 18959444022829. The next prime is 18959444022839. The reversal of 18959444022833 is 33822044495981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18931096576144 + 28347446689 = 4350988^2 + 168367^2 .

It is a cyclic number.

It is not a de Polignac number, because 18959444022833 - 2² = 18959444022829 is a prime.

It is not a weakly prime, because it can be changed into another prime (18959444022839) 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, 9479722011416 + 9479722011417.

It is an arithmetic number, because the mean of its divisors is an integer number (9479722011417).

Almost surely, 2^{18959444022833} is an apocalyptic number.

It is an amenable number.

18959444022833 is a deficient number, since it is larger than the sum of its proper divisors (1).

18959444022833 is an equidigital number, since it uses as much as digits as its factorization.

18959444022833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 18959444022833 in words is "eighteen trillion, nine hundred fifty-nine billion, four hundred forty-four million, twenty-two thousand, eight hundred thirty-three".