3956109066089 has 2 divisors, whose sum is σ = 3956109066090. Its totient is φ = 3956109066088.

The previous prime is 3956109066067. The next prime is 3956109066109. The reversal of 3956109066089 is 9806609016593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3471681930025 + 484427136064 = 1863245^2 + 696008^2 .

It is a cyclic number.

It is not a de Polignac number, because 3956109066089 - 2⁸ = 3956109065833 is a prime.

It is not a weakly prime, because it can be changed into another prime (3956109069089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978054533044 + 1978054533045.

It is an arithmetic number, because the mean of its divisors is an integer number (1978054533045).

Almost surely, 2^{3956109066089} is an apocalyptic number.

It is an amenable number.

3956109066089 is a deficient number, since it is larger than the sum of its proper divisors (1).

3956109066089 is an equidigital number, since it uses as much as digits as its factorization.

3956109066089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The spelling of 3956109066089 in words is "three trillion, nine hundred fifty-six billion, one hundred nine million, sixty-six thousand, eighty-nine".