6768464737 has 2 divisors, whose sum is σ = 6768464738. Its totient is φ = 6768464736.

The previous prime is 6768464699. The next prime is 6768464741. The reversal of 6768464737 is 7374648676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4789193616 + 1979271121 = 69204^2 + 44489^2 .

It is a cyclic number.

It is not a de Polignac number, because 6768464737 - 2¹¹ = 6768462689 is a prime.

It is a super-2 number, since 2×6768464737² = 91624229792024958338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6768464777) 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 as a sum of consecutive naturals, namely, 3384232368 + 3384232369.

It is an arithmetic number, because the mean of its divisors is an integer number (3384232369).

Almost surely, 2^6768464737 is an apocalyptic number.

It is an amenable number.

6768464737 is a deficient number, since it is larger than the sum of its proper divisors (1).

6768464737 is an equidigital number, since it uses as much as digits as its factorization.

6768464737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 58.

The square root of 6768464737 is about 82270.6796920993. The cubic root of 6768464737 is about 1891.6032733524.

The spelling of 6768464737 in words is "six billion, seven hundred sixty-eight million, four hundred sixty-four thousand, seven hundred thirty-seven".