2668551379 has 16 divisors (see below), whose sum is σ = 3071928384. Its totient is φ = 2298700800.

The previous prime is 2668551367. The next prime is 2668551437. The reversal of 2668551379 is 9731558662.

It is a cyclic number.

It is not a de Polignac number, because 2668551379 - 2¹⁹ = 2668027091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668551679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96582 + ... + 121099.

It is an arithmetic number, because the mean of its divisors is an integer number (191995524).

Almost surely, 2^2668551379 is an apocalyptic number.

2668551379 is a deficient number, since it is larger than the sum of its proper divisors (403377005).

2668551379 is a wasteful number, since it uses less digits than its factorization.

2668551379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217758.

The product of its digits is 2721600, while the sum is 52.

The square root of 2668551379 is about 51658.0233748834. The cubic root of 2668551379 is about 1387.0491684016.

The spelling of 2668551379 in words is "two billion, six hundred sixty-eight million, five hundred fifty-one thousand, three hundred seventy-nine".