2666065373 has 2 divisors, whose sum is σ = 2666065374. Its totient is φ = 2666065372.

The previous prime is 2666065357. The next prime is 2666065411. The reversal of 2666065373 is 3735606662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2658124249 + 7941124 = 51557^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666065373 - 2⁴ = 2666065357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666065343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333032686 + 1333032687.

It is an arithmetic number, because the mean of its divisors is an integer number (1333032687).

Almost surely, 2^2666065373 is an apocalyptic number.

It is an amenable number.

2666065373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666065373 is an equidigital number, since it uses as much as digits as its factorization.

2666065373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 44.

The square root of 2666065373 is about 51633.9556203086. The cubic root of 2666065373 is about 1386.6183124306.

The spelling of 2666065373 in words is "two billion, six hundred sixty-six million, sixty-five thousand, three hundred seventy-three".