6694617873 has 4 divisors (see below), whose sum is σ = 8926157168. Its totient is φ = 4463078580.

The previous prime is 6694617869. The next prime is 6694617887. The reversal of 6694617873 is 3787164966.

6694617873 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 6694617873 - 2² = 6694617869 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 (6694617773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115769643 + ... + 1115769648.

It is an arithmetic number, because the mean of its divisors is an integer number (2231539292).

Almost surely, 2^6694617873 is an apocalyptic number.

It is an amenable number.

6694617873 is a deficient number, since it is larger than the sum of its proper divisors (2231539295).

6694617873 is a wasteful number, since it uses less digits than its factorization.

6694617873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231539294.

The product of its digits is 9144576, while the sum is 57.

The square root of 6694617873 is about 81820.6445403604. The cubic root of 6694617873 is about 1884.6986995059.

The spelling of 6694617873 in words is "six billion, six hundred ninety-four million, six hundred seventeen thousand, eight hundred seventy-three".