6698333426 has 8 divisors (see below), whose sum is σ = 10292561244. Its totient is φ = 3267479680.

The previous prime is 6698333423. The next prime is 6698333491. The reversal of 6698333426 is 6243338966.

It can be written as a sum of positive squares in 2 ways, for example, as 4569895201 + 2128438225 = 67601^2 + 46135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 40843415 + ... + 40843578.

Almost surely, 2^6698333426 is an apocalyptic number.

6698333426 is a deficient number, since it is larger than the sum of its proper divisors (3594227818).

6698333426 is a wasteful number, since it uses less digits than its factorization.

6698333426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81687036.

The product of its digits is 3359232, while the sum is 50.

The square root of 6698333426 is about 81843.3468646047. The cubic root of 6698333426 is about 1885.0473080412.

The spelling of 6698333426 in words is "six billion, six hundred ninety-eight million, three hundred thirty-three thousand, four hundred twenty-six".