2668439079 has 32 divisors (see below), whose sum is σ = 4077043200. Its totient is φ = 1724103360.

The previous prime is 2668438991. The next prime is 2668439101. The reversal of 2668439079 is 9709348662.

It is a happy number.

2668439079 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2668439079 - 2⁷ = 2668438951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668439479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101307 + ... + 124899.

It is an arithmetic number, because the mean of its divisors is an integer number (127407600).

Almost surely, 2^2668439079 is an apocalyptic number.

2668439079 is a deficient number, since it is larger than the sum of its proper divisors (1408604121).

2668439079 is a wasteful number, since it uses less digits than its factorization.

2668439079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23732 (or 23726 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 2668439079 is about 51656.9364074177. The cubic root of 2668439079 is about 1387.0297111775.

The spelling of 2668439079 in words is "two billion, six hundred sixty-eight million, four hundred thirty-nine thousand, seventy-nine".