18413848047 has 32 divisors (see below), whose sum is σ = 29902159872. Its totient is φ = 9850557024.

The previous prime is 18413848039. The next prime is 18413848049. The reversal of 18413848047 is 74084831481.

It is not a de Polignac number, because 18413848047 - 2³ = 18413848039 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 18413847987 and 18413848005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18413848049) 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, 382873 + ... + 428274.

It is an arithmetic number, because the mean of its divisors is an integer number (934442496).

Almost surely, 2^18413848047 is an apocalyptic number.

18413848047 is a deficient number, since it is larger than the sum of its proper divisors (11488311825).

18413848047 is a wasteful number, since it uses less digits than its factorization.

18413848047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811227.

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 18413848047 in words is "eighteen billion, four hundred thirteen million, eight hundred forty-eight thousand, forty-seven".