3681105697 has 2 divisors, whose sum is σ = 3681105698. Its totient is φ = 3681105696.

The previous prime is 3681105661. The next prime is 3681105719. The reversal of 3681105697 is 7965011863.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2796400161 + 884705536 = 52881^2 + 29744^2 .

It is a cyclic number.

It is not a de Polignac number, because 3681105697 - 2⁷ = 3681105569 is a prime.

It is not a weakly prime, because it can be changed into another prime (3681105647) 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, 1840552848 + 1840552849.

It is an arithmetic number, because the mean of its divisors is an integer number (1840552849).

Almost surely, 2^3681105697 is an apocalyptic number.

It is an amenable number.

3681105697 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681105697 is an equidigital number, since it uses as much as digits as its factorization.

3681105697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 3681105697 is about 60672.1163055979. The cubic root of 3681105697 is about 1544.0431365580.

The spelling of 3681105697 in words is "three billion, six hundred eighty-one million, one hundred five thousand, six hundred ninety-seven".