2666922079 has 2 divisors, whose sum is σ = 2666922080. Its totient is φ = 2666922078.

The previous prime is 2666922077. The next prime is 2666922163. The reversal of 2666922079 is 9702296662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2666922079 - 2¹ = 2666922077 is a prime.

It is a super-2 number, since 2×2666922079² = 14224946750915364482, which contains 22 as substring.

Together with 2666922077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666922077) 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, 1333461039 + 1333461040.

It is an arithmetic number, because the mean of its divisors is an integer number (1333461040).

Almost surely, 2^2666922079 is an apocalyptic number.

2666922079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666922079 is an equidigital number, since it uses as much as digits as its factorization.

2666922079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 2666922079 is about 51642.2509095024. The cubic root of 2666922079 is about 1386.7668205431.

The spelling of 2666922079 in words is "two billion, six hundred sixty-six million, nine hundred twenty-two thousand, seventy-nine".