2664675209 has 4 divisors (see below), whose sum is σ = 3045343104. Its totient is φ = 2284007316.

The previous prime is 2664675203. The next prime is 2664675241. The reversal of 2664675209 is 9025764662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2664675209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664675203) 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 3 ways as a sum of consecutive naturals, for example, 190333937 + ... + 190333950.

It is an arithmetic number, because the mean of its divisors is an integer number (761335776).

Almost surely, 2^2664675209 is an apocalyptic number.

It is an amenable number.

2664675209 is a deficient number, since it is larger than the sum of its proper divisors (380667895).

2664675209 is an equidigital number, since it uses as much as digits as its factorization.

2664675209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380667894.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 2664675209 is about 51620.4921421716. The cubic root of 2664675209 is about 1386.3772628278.

The spelling of 2664675209 in words is "two billion, six hundred sixty-four million, six hundred seventy-five thousand, two hundred nine".