18842374337 has 16 divisors (see below), whose sum is σ = 20601487872. Its totient is φ = 17155964160.

The previous prime is 18842374297. The next prime is 18842374393. The reversal of 18842374337 is 73347324881.

It is a cyclic number.

It is not a de Polignac number, because 18842374337 - 2¹² = 18842370241 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18842376337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371223 + ... + 2379155.

It is an arithmetic number, because the mean of its divisors is an integer number (1287592992).

Almost surely, 2^18842374337 is an apocalyptic number.

18842374337 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18842374337 is a deficient number, since it is larger than the sum of its proper divisors (1759113535).

18842374337 is a wasteful number, since it uses less digits than its factorization.

18842374337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12488.

The product of its digits is 2709504, while the sum is 50.

The spelling of 18842374337 in words is "eighteen billion, eight hundred forty-two million, three hundred seventy-four thousand, three hundred thirty-seven".