6758213428 has 6 divisors (see below), whose sum is σ = 11826873506. Its totient is φ = 3379106712.

The previous prime is 6758213387. The next prime is 6758213431. The reversal of 6758213428 is 8243128576.

It can be written as a sum of positive squares in only one way, i.e., 6498294544 + 259918884 = 80612^2 + 16122^2 .

It is a super-2 number, since 2×6758213428² = 91346897476799022368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 844776675 + ... + 844776682.

Almost surely, 2^6758213428 is an apocalyptic number.

It is an amenable number.

6758213428 is a deficient number, since it is larger than the sum of its proper divisors (5068660078).

6758213428 is a wasteful number, since it uses less digits than its factorization.

6758213428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689553361 (or 1689553359 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 6758213428 is about 82208.3537604300. The cubic root of 6758213428 is about 1890.6478027231.

The spelling of 6758213428 in words is "six billion, seven hundred fifty-eight million, two hundred thirteen thousand, four hundred twenty-eight".