6728935084757 has 4 divisors (see below), whose sum is σ = 6732520028076. Its totient is φ = 6725350141440.

The previous prime is 6728935084733. The next prime is 6728935084771. The reversal of 6728935084757 is 7574805398276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1965755418916 + 4763179665841 = 1402054^2 + 2182471^2 .

It is a cyclic number.

It is not a de Polignac number, because 6728935084757 - 2¹⁸ = 6728934822613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728935044757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792468844 + ... + 1792472597.

It is an arithmetic number, because the mean of its divisors is an integer number (1683130007019).

Almost surely, 2^{6728935084757} is an apocalyptic number.

It is an amenable number.

6728935084757 is a deficient number, since it is larger than the sum of its proper divisors (3584943319).

6728935084757 is a wasteful number, since it uses less digits than its factorization.

6728935084757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584943318.

The product of its (nonzero) digits is 711244800, while the sum is 71.

The spelling of 6728935084757 in words is "six trillion, seven hundred twenty-eight billion, nine hundred thirty-five million, eighty-four thousand, seven hundred fifty-seven".