18654740842 has 8 divisors (see below), whose sum is σ = 27983505600. Its totient is φ = 9326905644.

The previous prime is 18654740833. The next prime is 18654740861. The reversal of 18654740842 is 24804745681.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179842 + ... + 263917.

It is an arithmetic number, because the mean of its divisors is an integer number (3497938200).

Almost surely, 2^18654740842 is an apocalyptic number.

18654740842 is a deficient number, since it is larger than the sum of its proper divisors (9328764758).

18654740842 is a wasteful number, since it uses less digits than its factorization.

18654740842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464780.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 18654740842 in words is "eighteen billion, six hundred fifty-four million, seven hundred forty thousand, eight hundred forty-two".