826468813 has 2 divisors, whose sum is σ = 826468814. Its totient is φ = 826468812.

The previous prime is 826468801. The next prime is 826468831. The reversal of 826468813 is 318864628.

826468813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (826468831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731269764 + 95199049 = 27042^2 + 9757^2 .

It is a cyclic number.

It is not a de Polignac number, because 826468813 - 2¹⁷ = 826337741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826868813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413234406 + 413234407.

It is an arithmetic number, because the mean of its divisors is an integer number (413234407).

Almost surely, 2^826468813 is an apocalyptic number.

It is an amenable number.

826468813 is a deficient number, since it is larger than the sum of its proper divisors (1).

826468813 is an equidigital number, since it uses as much as digits as its factorization.

826468813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 46.

The square root of 826468813 is about 28748.3706146975. The cubic root of 826468813 is about 938.4449969454. Note that the first 3 decimals are identical.

It can be divided in two parts, 8264 and 68813, that added together give a palindrome (77077).

The spelling of 826468813 in words is "eight hundred twenty-six million, four hundred sixty-eight thousand, eight hundred thirteen".