6728935044757 has 2 divisors, whose sum is σ = 6728935044758. Its totient is φ = 6728935044756.

The previous prime is 6728935044749. The next prime is 6728935044787. The reversal of 6728935044757 is 7574405398276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4815211420881 + 1913723623876 = 2194359^2 + 1383374^2 .

It is a cyclic number.

It is not a de Polignac number, because 6728935044757 - 2³ = 6728935044749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6728935044692 and 6728935044701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6728935044787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364467522378 + 3364467522379.

It is an arithmetic number, because the mean of its divisors is an integer number (3364467522379).

Almost surely, 2^{6728935044757} is an apocalyptic number.

It is an amenable number.

6728935044757 is a deficient number, since it is larger than the sum of its proper divisors (1).

6728935044757 is an equidigital number, since it uses as much as digits as its factorization.

6728935044757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 355622400, while the sum is 67.

The spelling of 6728935044757 in words is "six trillion, seven hundred twenty-eight billion, nine hundred thirty-five million, forty-four thousand, seven hundred fifty-seven".