6746997769 has 2 divisors, whose sum is σ = 6746997770. Its totient is φ = 6746997768.

The previous prime is 6746997731. The next prime is 6746997787. The reversal of 6746997769 is 9677996476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6238946169 + 508051600 = 78987^2 + 22540^2 .

It is a cyclic number.

It is not a de Polignac number, because 6746997769 - 2¹¹ = 6746995721 is a prime.

It is a super-2 number, since 2×6746997769² = 91043957789781954722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6746997698 and 6746997707.

It is not a weakly prime, because it can be changed into another prime (6746997469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3373498884 + 3373498885.

It is an arithmetic number, because the mean of its divisors is an integer number (3373498885).

Almost surely, 2^6746997769 is an apocalyptic number.

It is an amenable number.

6746997769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6746997769 is an equidigital number, since it uses as much as digits as its factorization.

6746997769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216040608, while the sum is 70.

The square root of 6746997769 is about 82140.1105976855. The cubic root of 6746997769 is about 1889.6013426223.

The spelling of 6746997769 in words is "six billion, seven hundred forty-six million, nine hundred ninety-seven thousand, seven hundred sixty-nine".