1818942875 has 8 divisors (see below), whose sum is σ = 2270040864. Its totient is φ = 1455154200.

The previous prime is 1818942869. The next prime is 1818942893. The reversal of 1818942875 is 5782498181.

It is not a de Polignac number, because 1818942875 - 2⁴ = 1818942859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7275647 + ... + 7275896.

It is an arithmetic number, because the mean of its divisors is an integer number (283755108).

Almost surely, 2^1818942875 is an apocalyptic number.

1818942875 is a deficient number, since it is larger than the sum of its proper divisors (451097989).

1818942875 is an equidigital number, since it uses as much as digits as its factorization.

1818942875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14551558 (or 14551548 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 53.

The square root of 1818942875 is about 42649.0665196790. The cubic root of 1818942875 is about 1220.6927166517.

The spelling of 1818942875 in words is "one billion, eight hundred eighteen million, nine hundred forty-two thousand, eight hundred seventy-five".