2685723349297 has 2 divisors, whose sum is σ = 2685723349298. Its totient is φ = 2685723349296.

The previous prime is 2685723349237. The next prime is 2685723349319. The reversal of 2685723349297 is 7929433275862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2685127940496 + 595408801 = 1638636^2 + 24401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685723349297 - 2¹¹ = 2685723347249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2685723349207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342861674648 + 1342861674649.

It is an arithmetic number, because the mean of its divisors is an integer number (1342861674649).

Almost surely, 2^{2685723349297} is an apocalyptic number.

It is an amenable number.

2685723349297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685723349297 is an equidigital number, since it uses as much as digits as its factorization.

2685723349297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 67.

The spelling of 2685723349297 in words is "two trillion, six hundred eighty-five billion, seven hundred twenty-three million, three hundred forty-nine thousand, two hundred ninety-seven".