2666235713 has 2 divisors, whose sum is σ = 2666235714. Its totient is φ = 2666235712.

The previous prime is 2666235709. The next prime is 2666235731. The reversal of 2666235713 is 3175326662.

Together with next prime (2666235731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2204114704 + 462121009 = 46948^2 + 21497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666235713 - 2² = 2666235709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2666231713) 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, 1333117856 + 1333117857.

It is an arithmetic number, because the mean of its divisors is an integer number (1333117857).

Almost surely, 2^2666235713 is an apocalyptic number.

It is an amenable number.

2666235713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666235713 is an equidigital number, since it uses as much as digits as its factorization.

2666235713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 41.

The square root of 2666235713 is about 51635.6050898990. The cubic root of 2666235713 is about 1386.6478430309.

The spelling of 2666235713 in words is "two billion, six hundred sixty-six million, two hundred thirty-five thousand, seven hundred thirteen".