18581348883 has 4 divisors (see below), whose sum is σ = 24775131848. Its totient is φ = 12387565920.

The previous prime is 18581348839. The next prime is 18581348887. The reversal of 18581348883 is 38884318581.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18581348883 - 2¹⁴ = 18581332499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18581348887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3096891478 + ... + 3096891483.

It is an arithmetic number, because the mean of its divisors is an integer number (6193782962).

Almost surely, 2^18581348883 is an apocalyptic number.

18581348883 is a deficient number, since it is larger than the sum of its proper divisors (6193782965).

18581348883 is an equidigital number, since it uses as much as digits as its factorization.

18581348883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193782964.

The product of its digits is 5898240, while the sum is 57.

The spelling of 18581348883 in words is "eighteen billion, five hundred eighty-one million, three hundred forty-eight thousand, eight hundred eighty-three".