685466697341 has 2 divisors, whose sum is σ = 685466697342. Its totient is φ = 685466697340.

The previous prime is 685466697247. The next prime is 685466697359. The reversal of 685466697341 is 143796664586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605990630116 + 79476067225 = 778454^2 + 281915^2 .

It is a cyclic number.

It is not a de Polignac number, because 685466697341 - 2¹⁸ = 685466435197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (685466697941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342733348670 + 342733348671.

It is an arithmetic number, because the mean of its divisors is an integer number (342733348671).

Almost surely, 2^685466697341 is an apocalyptic number.

It is an amenable number.

685466697341 is a deficient number, since it is larger than the sum of its proper divisors (1).

685466697341 is an equidigital number, since it uses as much as digits as its factorization.

685466697341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156764160, while the sum is 65.

The spelling of 685466697341 in words is "six hundred eighty-five billion, four hundred sixty-six million, six hundred ninety-seven thousand, three hundred forty-one".