233659689361 has 6 divisors (see below), whose sum is σ = 271808210130. Its totient is φ = 200279733696.

The previous prime is 233659689359. The next prime is 233659689397. The reversal of 233659689361 is 163986956332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143058689361 + 90601000000 = 378231^2 + 301000^2 .

It is not a de Polignac number, because 233659689361 - 2¹ = 233659689359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233659689361.

It is not an unprimeable number, because it can be changed into a prime (233659689061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2384282496 + ... + 2384282593.

It is an arithmetic number, because the mean of its divisors is an integer number (45301368355).

Almost surely, 2^233659689361 is an apocalyptic number.

It is an amenable number.

233659689361 is a deficient number, since it is larger than the sum of its proper divisors (38148520769).

233659689361 is an equidigital number, since it uses as much as digits as its factorization.

233659689361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768565103 (or 4768565096 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 61.

The spelling of 233659689361 in words is "two hundred thirty-three billion, six hundred fifty-nine million, six hundred eighty-nine thousand, three hundred sixty-one".