6694932133 has 4 divisors (see below), whose sum is σ = 6701058508. Its totient is φ = 6688805760.

The previous prime is 6694932077. The next prime is 6694932137. The reversal of 6694932133 is 3312394966.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4369474404 + 2325457729 = 66102^2 + 48223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6694932133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694932137) 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, 3061548 + ... + 3063733.

It is an arithmetic number, because the mean of its divisors is an integer number (1675264627).

Almost surely, 2^6694932133 is an apocalyptic number.

It is an amenable number.

6694932133 is a deficient number, since it is larger than the sum of its proper divisors (6126375).

6694932133 is a wasteful number, since it uses less digits than its factorization.

6694932133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126374.

The product of its digits is 629856, while the sum is 46.

The square root of 6694932133 is about 81822.5649377970. The cubic root of 6694932133 is about 1884.7281896703.

The spelling of 6694932133 in words is "six billion, six hundred ninety-four million, nine hundred thirty-two thousand, one hundred thirty-three".