233913189788 has 6 divisors (see below), whose sum is σ = 409348082136. Its totient is φ = 116956594892.

The previous prime is 233913189767. The next prime is 233913189793. The reversal of 233913189788 is 887981319332.

It is a self number, because there is not a number n which added to its sum of digits gives 233913189788.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 29239148720 + ... + 29239148727.

It is an arithmetic number, because the mean of its divisors is an integer number (68224680356).

Almost surely, 2^233913189788 is an apocalyptic number.

It is an amenable number.

233913189788 is a deficient number, since it is larger than the sum of its proper divisors (175434892348).

233913189788 is a wasteful number, since it uses less digits than its factorization.

233913189788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58478297451 (or 58478297449 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The spelling of 233913189788 in words is "two hundred thirty-three billion, nine hundred thirteen million, one hundred eighty-nine thousand, seven hundred eighty-eight".