262722247213 has 2 divisors, whose sum is σ = 262722247214. Its totient is φ = 262722247212.

The previous prime is 262722247199. The next prime is 262722247217. The reversal of 262722247213 is 312742227262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258977174404 + 3745072809 = 508898^2 + 61197^2 .

It is a cyclic number.

It is not a de Polignac number, because 262722247213 - 2⁵ = 262722247181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262722247217) 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, 131361123606 + 131361123607.

It is an arithmetic number, because the mean of its divisors is an integer number (131361123607).

Almost surely, 2^262722247213 is an apocalyptic number.

It is an amenable number.

262722247213 is a deficient number, since it is larger than the sum of its proper divisors (1).

262722247213 is an equidigital number, since it uses as much as digits as its factorization.

262722247213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 40.

The spelling of 262722247213 in words is "two hundred sixty-two billion, seven hundred twenty-two million, two hundred forty-seven thousand, two hundred thirteen".