233285045309 has 2 divisors, whose sum is σ = 233285045310. Its totient is φ = 233285045308.

The previous prime is 233285045297. The next prime is 233285045347. The reversal of 233285045309 is 903540582332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213054250084 + 20230795225 = 461578^2 + 142235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233285045309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233285045309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233285045509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116642522654 + 116642522655.

It is an arithmetic number, because the mean of its divisors is an integer number (116642522655).

Almost surely, 2^233285045309 is an apocalyptic number.

It is an amenable number.

233285045309 is a deficient number, since it is larger than the sum of its proper divisors (1).

233285045309 is an equidigital number, since it uses as much as digits as its factorization.

233285045309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 233285045309 in words is "two hundred thirty-three billion, two hundred eighty-five million, forty-five thousand, three hundred nine".