233386991938 has 8 divisors (see below), whose sum is σ = 350962303932. Its totient is φ = 116399557296.

The previous prime is 233386991923. The next prime is 233386991969. The reversal of 233386991938 is 839199683332.

233386991938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192314700369 + 41072291569 = 438537^2 + 202663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 233386991938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146968345 + ... + 146969932.

Almost surely, 2^233386991938 is an apocalyptic number.

233386991938 is a deficient number, since it is larger than the sum of its proper divisors (117575311994).

233386991938 is a wasteful number, since it uses less digits than its factorization.

233386991938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293938676.

The product of its digits is 45349632, while the sum is 64.

The spelling of 233386991938 in words is "two hundred thirty-three billion, three hundred eighty-six million, nine hundred ninety-one thousand, nine hundred thirty-eight".