2664371873 has 4 divisors (see below), whose sum is σ = 2664499200. Its totient is φ = 2664244548.

The previous prime is 2664371863. The next prime is 2664371893. The reversal of 2664371873 is 3781734662.

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-2664371873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2664371863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24065 + ... + 76862.

It is an arithmetic number, because the mean of its divisors is an integer number (666124800).

Almost surely, 2^2664371873 is an apocalyptic number.

It is an amenable number.

2664371873 is a deficient number, since it is larger than the sum of its proper divisors (127327).

2664371873 is a wasteful number, since it uses less digits than its factorization.

2664371873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127326.

The product of its digits is 1016064, while the sum is 47.

The square root of 2664371873 is about 51617.5539230599. The cubic root of 2664371873 is about 1386.3246542785.

The spelling of 2664371873 in words is "two billion, six hundred sixty-four million, three hundred seventy-one thousand, eight hundred seventy-three".