18754638684706 has 8 divisors (see below), whose sum is σ = 28131986992284. Its totient is φ = 9377309687280.

The previous prime is 18754638684667. The next prime is 18754638684737. The reversal of 18754638684706 is 60748683645781.

It can be written as a sum of positive squares in 2 ways, for example, as 18540215047225 + 214423637481 = 4305835^2 + 463059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2088685 + ... + 6470848.

Almost surely, 2^{18754638684706} is an apocalyptic number.

18754638684706 is a deficient number, since it is larger than the sum of its proper divisors (9377348307578).

18754638684706 is a wasteful number, since it uses less digits than its factorization.

18754638684706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655076.

The product of its (nonzero) digits is 1300561920, while the sum is 73.

The spelling of 18754638684706 in words is "eighteen trillion, seven hundred fifty-four billion, six hundred thirty-eight million, six hundred eighty-four thousand, seven hundred six".