233928550559 has 4 divisors (see below), whose sum is σ = 255194782440. Its totient is φ = 212662318680.

The previous prime is 233928550459. The next prime is 233928550567. The reversal of 233928550559 is 955055829332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233928550559 - 2¹² = 233928546463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233928550579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10633115924 + ... + 10633115945.

It is an arithmetic number, because the mean of its divisors is an integer number (63798695610).

Almost surely, 2^233928550559 is an apocalyptic number.

233928550559 is a deficient number, since it is larger than the sum of its proper divisors (21266231881).

233928550559 is a wasteful number, since it uses less digits than its factorization.

233928550559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21266231880.

The product of its (nonzero) digits is 14580000, while the sum is 56.

It can be divided in two parts, 233928 and 550559, that added together give a palindrome (784487).

The spelling of 233928550559 in words is "two hundred thirty-three billion, nine hundred twenty-eight million, five hundred fifty thousand, five hundred fifty-nine".