18759223740563 has 2 divisors, whose sum is σ = 18759223740564. Its totient is φ = 18759223740562.

The previous prime is 18759223740533. The next prime is 18759223740683. The reversal of 18759223740563 is 36504732295781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18759223740563 - 2¹² = 18759223736467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18759223740496 and 18759223740505.

It is not a weakly prime, because it can be changed into another prime (18759223740533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9379611870281 + 9379611870282.

It is an arithmetic number, because the mean of its divisors is an integer number (9379611870282).

It is a 1-persistent number, because it is pandigital, but 2⋅18759223740563 = 37518447481126 is not.

Almost surely, 2^{18759223740563} is an apocalyptic number.

18759223740563 is a deficient number, since it is larger than the sum of its proper divisors (1).

18759223740563 is an equidigital number, since it uses as much as digits as its factorization.

18759223740563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 62.

The spelling of 18759223740563 in words is "eighteen trillion, seven hundred fifty-nine billion, two hundred twenty-three million, seven hundred forty thousand, five hundred sixty-three".