18842473443 has 32 divisors (see below), whose sum is σ = 26693980992. Its totient is φ = 11805696000.

The previous prime is 18842473421. The next prime is 18842473453. The reversal of 18842473443 is 34437424881.

It is not a de Polignac number, because 18842473443 - 2⁸ = 18842473187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18842473392 and 18842473401.

It is not an unprimeable number, because it can be changed into a prime (18842473453) 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 31 ways as a sum of consecutive naturals, for example, 439155 + ... + 480147.

It is an arithmetic number, because the mean of its divisors is an integer number (834186906).

Almost surely, 2^18842473443 is an apocalyptic number.

18842473443 is a deficient number, since it is larger than the sum of its proper divisors (7851507549).

18842473443 is a wasteful number, since it uses less digits than its factorization.

18842473443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41175.

The product of its digits is 2064384, while the sum is 48.

The spelling of 18842473443 in words is "eighteen billion, eight hundred forty-two million, four hundred seventy-three thousand, four hundred forty-three".