6693774745 has 16 divisors (see below), whose sum is σ = 9214951680. Its totient is φ = 4572558144.

The previous prime is 6693774719. The next prime is 6693774779. The reversal of 6693774745 is 5474773966.

It is not a de Polignac number, because 6693774745 - 2⁵ = 6693774713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6693774745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354390 + ... + 372799.

It is an arithmetic number, because the mean of its divisors is an integer number (575934480).

Almost surely, 2^6693774745 is an apocalyptic number.

It is an amenable number.

6693774745 is a deficient number, since it is larger than the sum of its proper divisors (2521176935).

6693774745 is a wasteful number, since it uses less digits than its factorization.

6693774745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727464.

The product of its digits is 26671680, while the sum is 58.

The square root of 6693774745 is about 81815.4920843235. The cubic root of 6693774745 is about 1884.6195757984.

The spelling of 6693774745 in words is "six billion, six hundred ninety-three million, seven hundred seventy-four thousand, seven hundred forty-five".