6698333428 has 12 divisors (see below), whose sum is σ = 11994690400. Its totient is φ = 3271279032.

The previous prime is 6698333423. The next prime is 6698333491. The reversal of 6698333428 is 8243338966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698333423) 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, 19471728 + ... + 19472071.

Almost surely, 2^6698333428 is an apocalyptic number.

It is an amenable number.

6698333428 is a deficient number, since it is larger than the sum of its proper divisors (5296356972).

6698333428 is a wasteful number, since it uses less digits than its factorization.

6698333428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38943846 (or 38943844 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 52.

The square root of 6698333428 is about 81843.3468768232. The cubic root of 6698333428 is about 1885.0473082288.

The spelling of 6698333428 in words is "six billion, six hundred ninety-eight million, three hundred thirty-three thousand, four hundred twenty-eight".