18875330243 has 8 divisors (see below), whose sum is σ = 23532879360. Its totient is φ = 14708049480.

The previous prime is 18875330239. The next prime is 18875330347. The reversal of 18875330243 is 34203357881.

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

It is a cyclic number.

It is not a de Polignac number, because 18875330243 - 2² = 18875330239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18875330194 and 18875330203.

It is not an unprimeable number, because it can be changed into a prime (18875332243) 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, 122567003 + ... + 122567156.

It is an arithmetic number, because the mean of its divisors is an integer number (2941609920).

Almost surely, 2^18875330243 is an apocalyptic number.

18875330243 is a deficient number, since it is larger than the sum of its proper divisors (4657549117).

18875330243 is a wasteful number, since it uses less digits than its factorization.

18875330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245134177.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 18875330243 in words is "eighteen billion, eight hundred seventy-five million, three hundred thirty thousand, two hundred forty-three".