18745586303 has 2 divisors, whose sum is σ = 18745586304. Its totient is φ = 18745586302.

The previous prime is 18745586263. The next prime is 18745586309. The reversal of 18745586303 is 30368554781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18745586303 - 2⁶ = 18745586239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18745586309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9372793151 + 9372793152.

It is an arithmetic number, because the mean of its divisors is an integer number (9372793152).

Almost surely, 2^18745586303 is an apocalyptic number.

18745586303 is a deficient number, since it is larger than the sum of its proper divisors (1).

18745586303 is an equidigital number, since it uses as much as digits as its factorization.

18745586303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 18745586303 in words is "eighteen billion, seven hundred forty-five million, five hundred eighty-six thousand, three hundred three".