225716032693 has 2 divisors, whose sum is σ = 225716032694. Its totient is φ = 225716032692.

The previous prime is 225716032669. The next prime is 225716032721. The reversal of 225716032693 is 396230617522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128398238929 + 97317793764 = 358327^2 + 311958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225716032693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225716032793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112858016346 + 112858016347.

It is an arithmetic number, because the mean of its divisors is an integer number (112858016347).

Almost surely, 2^225716032693 is an apocalyptic number.

It is an amenable number.

225716032693 is a deficient number, since it is larger than the sum of its proper divisors (1).

225716032693 is an equidigital number, since it uses as much as digits as its factorization.

225716032693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 225716032693 in words is "two hundred twenty-five billion, seven hundred sixteen million, thirty-two thousand, six hundred ninety-three".