2706666617 has 2 divisors, whose sum is σ = 2706666618. Its totient is φ = 2706666616.

The previous prime is 2706666601. The next prime is 2706666623. The reversal of 2706666617 is 7166666072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2283788521 + 422878096 = 47789^2 + 20564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706666617 - 2⁴ = 2706666601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2706666517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353333308 + 1353333309.

It is an arithmetic number, because the mean of its divisors is an integer number (1353333309).

Almost surely, 2^2706666617 is an apocalyptic number.

It is an amenable number.

2706666617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706666617 is an equidigital number, since it uses as much as digits as its factorization.

2706666617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 2706666617 is about 52025.6342296757. The cubic root of 2706666617 is about 1393.6217708998.

The spelling of 2706666617 in words is "two billion, seven hundred six million, six hundred sixty-six thousand, six hundred seventeen".