2666330129 has 2 divisors, whose sum is σ = 2666330130. Its totient is φ = 2666330128.

The previous prime is 2666330113. The next prime is 2666330137. The reversal of 2666330129 is 9210336662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697440000 + 968890129 = 41200^2 + 31127^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666330129 - 2⁴ = 2666330113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2666330092 and 2666330101.

It is not a weakly prime, because it can be changed into another prime (2666330189) 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, 1333165064 + 1333165065.

It is an arithmetic number, because the mean of its divisors is an integer number (1333165065).

Almost surely, 2^2666330129 is an apocalyptic number.

It is an amenable number.

2666330129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666330129 is an equidigital number, since it uses as much as digits as its factorization.

2666330129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 2666330129 is about 51636.5193346724. The cubic root of 2666330129 is about 1386.6642107007.

The spelling of 2666330129 in words is "two billion, six hundred sixty-six million, three hundred thirty thousand, one hundred twenty-nine".