230689560268649 has 2 divisors, whose sum is σ = 230689560268650. Its totient is φ = 230689560268648.

The previous prime is 230689560268637. The next prime is 230689560268721. The reversal of 230689560268649 is 946862065986032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224438900251225 + 6250660017424 = 14981285^2 + 2500132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230689560268649 is a prime.

It is a super-3 number, since 3×230689560268649³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (230689560238649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115344780134324 + 115344780134325.

It is an arithmetic number, because the mean of its divisors is an integer number (115344780134325).

Almost surely, 2^{230689560268649} is an apocalyptic number.

It is an amenable number.

230689560268649 is a deficient number, since it is larger than the sum of its proper divisors (1).

230689560268649 is an equidigital number, since it uses as much as digits as its factorization.

230689560268649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612431360, while the sum is 74.

The spelling of 230689560268649 in words is "two hundred thirty trillion, six hundred eighty-nine billion, five hundred sixty million, two hundred sixty-eight thousand, six hundred forty-nine".