233245350661 has 2 divisors, whose sum is σ = 233245350662. Its totient is φ = 233245350660.

The previous prime is 233245350659. The next prime is 233245350703. The reversal of 233245350661 is 166053542332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232507196100 + 738154561 = 482190^2 + 27169^2 .

It is a cyclic number.

It is not a de Polignac number, because 233245350661 - 2¹ = 233245350659 is a prime.

Together with 233245350659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233245350361) by changing a digit.

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, 116622675330 + 116622675331.

It is an arithmetic number, because the mean of its divisors is an integer number (116622675331).

Almost surely, 2^233245350661 is an apocalyptic number.

It is an amenable number.

233245350661 is a deficient number, since it is larger than the sum of its proper divisors (1).

233245350661 is an equidigital number, since it uses as much as digits as its factorization.

233245350661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 233245350661 its reverse (166053542332), we get a palindrome (399298892993).

The spelling of 233245350661 in words is "two hundred thirty-three billion, two hundred forty-five million, three hundred fifty thousand, six hundred sixty-one".