232985662009 has 4 divisors (see below), whose sum is σ = 233019196900. Its totient is φ = 232952127120.

The previous prime is 232985661943. The next prime is 232985662061. The reversal of 232985662009 is 900266589232.

232985662009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 201356817984 + 31628844025 = 448728^2 + 177845^2 .

It is a cyclic number.

It is not a de Polignac number, because 232985662009 - 2¹¹ = 232985659961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232985962009) by changing a digit.

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, 16757022 + ... + 16770919.

It is an arithmetic number, because the mean of its divisors is an integer number (58254799225).

Almost surely, 2^232985662009 is an apocalyptic number.

It is an amenable number.

232985662009 is a deficient number, since it is larger than the sum of its proper divisors (33534891).

232985662009 is an equidigital number, since it uses as much as digits as its factorization.

232985662009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33534890.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 232985662009 in words is "two hundred thirty-two billion, nine hundred eighty-five million, six hundred sixty-two thousand, nine".