2667449605 has 8 divisors (see below), whose sum is σ = 3208233600. Its totient is φ = 2129096976.

The previous prime is 2667449599. The next prime is 2667449677. The reversal of 2667449605 is 5069447662.

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

It is a cyclic number.

It is not a de Polignac number, because 2667449605 - 2³ = 2667449597 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 605425 + ... + 609814.

It is an arithmetic number, because the mean of its divisors is an integer number (401029200).

Almost surely, 2^2667449605 is an apocalyptic number.

It is an amenable number.

2667449605 is a deficient number, since it is larger than the sum of its proper divisors (540783995).

2667449605 is a wasteful number, since it uses less digits than its factorization.

2667449605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215683.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 2667449605 is about 51647.3581608973. The cubic root of 2667449605 is about 1386.8582502015.

The spelling of 2667449605 in words is "two billion, six hundred sixty-seven million, four hundred forty-nine thousand, six hundred five".