2668445529 has 8 divisors (see below), whose sum is σ = 3576556032. Its totient is φ = 1769649360.

The previous prime is 2668445509. The next prime is 2668445531. The reversal of 2668445529 is 9255448662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2668445529 - 2⁷ = 2668445401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2668445509) 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 7 ways as a sum of consecutive naturals, for example, 2327914 + ... + 2329059.

It is an arithmetic number, because the mean of its divisors is an integer number (447069504).

Almost surely, 2^2668445529 is an apocalyptic number.

It is an amenable number.

2668445529 is a deficient number, since it is larger than the sum of its proper divisors (908110503).

2668445529 is a wasteful number, since it uses less digits than its factorization.

2668445529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657167.

The product of its digits is 4147200, while the sum is 51.

The square root of 2668445529 is about 51656.9988384924. The cubic root of 2668445529 is about 1387.0308287265.

The spelling of 2668445529 in words is "two billion, six hundred sixty-eight million, four hundred forty-five thousand, five hundred twenty-nine".