3768668689 has 2 divisors, whose sum is σ = 3768668690. Its totient is φ = 3768668688.

The previous prime is 3768668593. The next prime is 3768668731. The reversal of 3768668689 is 9868668673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3377934400 + 390734289 = 58120^2 + 19767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3768668689 is a prime.

It is not a weakly prime, because it can be changed into another prime (3768668089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884334344 + 1884334345.

It is an arithmetic number, because the mean of its divisors is an integer number (1884334345).

Almost surely, 2^3768668689 is an apocalyptic number.

It is an amenable number.

3768668689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3768668689 is an equidigital number, since it uses as much as digits as its factorization.

3768668689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 67.

The square root of 3768668689 is about 61389.4835374920. The cubic root of 3768668689 is about 1556.1901179541.

The spelling of 3768668689 in words is "three billion, seven hundred sixty-eight million, six hundred sixty-eight thousand, six hundred eighty-nine".