47183958018 has 48 divisors (see below), whose sum is σ = 104141363040. Its totient is φ = 15435130752.

The previous prime is 47183958011. The next prime is 47183958023. The reversal of 47183958018 is 81085938174.

47183958018 is a `hidden beast` number, since 4 + 7 + 18 + 39 + 580 + 18 = 666.

It is not an unprimeable number, because it can be changed into a prime (47183958011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592305 + ... + 667227.

It is an arithmetic number, because the mean of its divisors is an integer number (2169611730).

Almost surely, 2^47183958018 is an apocalyptic number.

47183958018 is an abundant number, since it is smaller than the sum of its proper divisors (56957405022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47183958018 is a wasteful number, since it uses less digits than its factorization.

47183958018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75583 (or 75580 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 47183958018 in words is "forty-seven billion, one hundred eighty-three million, nine hundred fifty-eight thousand, eighteen".