18755046019 has 2 divisors, whose sum is σ = 18755046020. Its totient is φ = 18755046018.

The previous prime is 18755046007. The next prime is 18755046077. The reversal of 18755046019 is 91064055781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18755046019 - 2⁵ = 18755045987 is a prime.

It is a super-2 number, since 2×18755046019² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18755046019.

It is not a weakly prime, because it can be changed into another prime (18755046419) 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, 9377523009 + 9377523010.

It is an arithmetic number, because the mean of its divisors is an integer number (9377523010).

Almost surely, 2^18755046019 is an apocalyptic number.

18755046019 is a deficient number, since it is larger than the sum of its proper divisors (1).

18755046019 is an equidigital number, since it uses as much as digits as its factorization.

18755046019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 18755046019 in words is "eighteen billion, seven hundred fifty-five million, forty-six thousand, nineteen".