6768489652 has 12 divisors (see below), whose sum is σ = 11846961700. Its totient is φ = 3383643456.

The previous prime is 6768489631. The next prime is 6768489683. The reversal of 6768489652 is 2569848676.

It can be written as a sum of positive squares in 2 ways, for example, as 3575561616 + 3192928036 = 59796^2 + 56506^2 .

It is a super-2 number, since 2×6768489652² = 91624904338462162208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124527 + ... + 170422.

Almost surely, 2^6768489652 is an apocalyptic number.

It is an amenable number.

6768489652 is a deficient number, since it is larger than the sum of its proper divisors (5078472048).

6768489652 is a wasteful number, since it uses less digits than its factorization.

6768489652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300690 (or 300688 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The square root of 6768489652 is about 82270.8311128555. The cubic root of 6768489652 is about 1891.6055943730.

The spelling of 6768489652 in words is "six billion, seven hundred sixty-eight million, four hundred eighty-nine thousand, six hundred fifty-two".