18574988036603 has 2 divisors, whose sum is σ = 18574988036604. Its totient is φ = 18574988036602.

The previous prime is 18574988036587. The next prime is 18574988036653. The reversal of 18574988036603 is 30663088947581.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18574988036603 - 2⁴ = 18574988036587 is a prime.

It is not a weakly prime, because it can be changed into another prime (18574988036653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9287494018301 + 9287494018302.

It is an arithmetic number, because the mean of its divisors is an integer number (9287494018302).

Almost surely, 2^{18574988036603} is an apocalyptic number.

18574988036603 is a deficient number, since it is larger than the sum of its proper divisors (1).

18574988036603 is an equidigital number, since it uses as much as digits as its factorization.

18574988036603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 18574988036603 in words is "eighteen trillion, five hundred seventy-four billion, nine hundred eighty-eight million, thirty-six thousand, six hundred three".