18274734032 has 20 divisors (see below), whose sum is σ = 35433241056. Its totient is φ = 9130671840.

The previous prime is 18274734011. The next prime is 18274734089. The reversal of 18274734032 is 23043747281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395894 + ... + 439637.

Almost surely, 2^18274734032 is an apocalyptic number.

It is an amenable number.

18274734032 is a deficient number, since it is larger than the sum of its proper divisors (17158507024).

18274734032 is a wasteful number, since it uses less digits than its factorization.

18274734032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836906 (or 836900 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 18274734032 in words is "eighteen billion, two hundred seventy-four million, seven hundred thirty-four thousand, thirty-two".