18474481274 has 16 divisors (see below), whose sum is σ = 27816443712. Its totient is φ = 9202397568.

The previous prime is 18474481271. The next prime is 18474481301. The reversal of 18474481274 is 47218447481.

It is not an unprimeable number, because it can be changed into a prime (18474481271) 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 in 7 ways as a sum of consecutive naturals, for example, 580787 + ... + 611769.

It is an arithmetic number, because the mean of its divisors is an integer number (1738527732).

Almost surely, 2^18474481274 is an apocalyptic number.

18474481274 is a deficient number, since it is larger than the sum of its proper divisors (9341962438).

18474481274 is a wasteful number, since it uses less digits than its factorization.

18474481274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32101.

The product of its digits is 1605632, while the sum is 50.

The spelling of 18474481274 in words is "eighteen billion, four hundred seventy-four million, four hundred eighty-one thousand, two hundred seventy-four".