42993918333 has 12 divisors (see below), whose sum is σ = 65370870240. Its totient is φ = 27154053576.

The previous prime is 42993918269. The next prime is 42993918389. The reversal of 42993918333 is 33381939924.

42993918333 is a `hidden beast` number, since 4 + 299 + 3 + 9 + 18 + 333 = 666.

It is not a de Polignac number, because 42993918333 - 2⁶ = 42993918269 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42993918333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42993918433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125713041 + ... + 125713382.

It is an arithmetic number, because the mean of its divisors is an integer number (5447572520).

Almost surely, 2^42993918333 is an apocalyptic number.

It is an amenable number.

42993918333 is a deficient number, since it is larger than the sum of its proper divisors (22376951907).

42993918333 is a wasteful number, since it uses less digits than its factorization.

42993918333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251426448 (or 251426445 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The spelling of 42993918333 in words is "forty-two billion, nine hundred ninety-three million, nine hundred eighteen thousand, three hundred thirty-three".