6768737569 has 4 divisors (see below), whose sum is σ = 7384077360. Its totient is φ = 6153397780.

The previous prime is 6768737567. The next prime is 6768737579. The reversal of 6768737569 is 9657378676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6768737569 - 2¹ = 6768737567 is a prime.

It is a super-2 number, since 2×6768737569² = 91631616555984059522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6768737569.

It is not an unprimeable number, because it can be changed into a prime (6768737567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307669879 + ... + 307669900.

It is an arithmetic number, because the mean of its divisors is an integer number (1846019340).

Almost surely, 2^6768737569 is an apocalyptic number.

It is an amenable number.

6768737569 is a deficient number, since it is larger than the sum of its proper divisors (615339791).

6768737569 is a wasteful number, since it uses less digits than its factorization.

6768737569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615339790.

The product of its digits is 80015040, while the sum is 64.

The square root of 6768737569 is about 82272.3378116849. The cubic root of 6768737569 is about 1891.6286894051.

The spelling of 6768737569 in words is "six billion, seven hundred sixty-eight million, seven hundred thirty-seven thousand, five hundred sixty-nine".