6693943033 has 4 divisors (see below), whose sum is σ = 6694173328. Its totient is φ = 6693712740.

The previous prime is 6693943021. The next prime is 6693943037. The reversal of 6693943033 is 3303493966.

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-6693943033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6693943037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63963 + ... + 132208.

It is an arithmetic number, because the mean of its divisors is an integer number (1673543332).

Almost surely, 2^6693943033 is an apocalyptic number.

It is an amenable number.

6693943033 is a deficient number, since it is larger than the sum of its proper divisors (230295).

6693943033 is a wasteful number, since it uses less digits than its factorization.

6693943033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230294.

The product of its (nonzero) digits is 944784, while the sum is 46.

The square root of 6693943033 is about 81816.5205383363. The cubic root of 6693943033 is about 1884.6353693884.

The spelling of 6693943033 in words is "six billion, six hundred ninety-three million, nine hundred forty-three thousand, thirty-three".