818297713 has 2 divisors, whose sum is σ = 818297714. Its totient is φ = 818297712.

The previous prime is 818297699. The next prime is 818297717. The reversal of 818297713 is 317792818.

818297713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553519729 + 264777984 = 23527^2 + 16272^2 .

It is a cyclic number.

It is not a de Polignac number, because 818297713 - 2⁹ = 818297201 is a prime.

It is a super-2 number, since 2×818297713² = 1339222294202060738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (818297717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409148856 + 409148857.

It is an arithmetic number, because the mean of its divisors is an integer number (409148857).

Almost surely, 2^818297713 is an apocalyptic number.

It is an amenable number.

818297713 is a deficient number, since it is larger than the sum of its proper divisors (1).

818297713 is an equidigital number, since it uses as much as digits as its factorization.

818297713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 46.

The square root of 818297713 is about 28605.9034641453. The cubic root of 818297713 is about 935.3420209655.

The spelling of 818297713 in words is "eight hundred eighteen million, two hundred ninety-seven thousand, seven hundred thirteen".