265206315432433 has 2 divisors, whose sum is σ = 265206315432434. Its totient is φ = 265206315432432.

The previous prime is 265206315432389. The next prime is 265206315432451. The reversal of 265206315432433 is 334234513602562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176761093293409 + 88445222139024 = 13295153^2 + 9404532^2 .

It is a cyclic number.

It is not a de Polignac number, because 265206315432433 - 2¹³ = 265206315424241 is a prime.

It is not a weakly prime, because it can be changed into another prime (265206315432533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132603157716216 + 132603157716217.

It is an arithmetic number, because the mean of its divisors is an integer number (132603157716217).

Almost surely, 2^{265206315432433} is an apocalyptic number.

It is an amenable number.

265206315432433 is a deficient number, since it is larger than the sum of its proper divisors (1).

265206315432433 is an equidigital number, since it uses as much as digits as its factorization.

265206315432433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 49.

The spelling of 265206315432433 in words is "two hundred sixty-five trillion, two hundred six billion, three hundred fifteen million, four hundred thirty-two thousand, four hundred thirty-three".