6728404084048 has 10 divisors (see below), whose sum is σ = 13036282912874. Its totient is φ = 3364202042016.

The previous prime is 6728404084021. The next prime is 6728404084063. The reversal of 6728404084048 is 8404804048276.

It can be written as a sum of positive squares in only one way, i.e., 6572906357824 + 155497726224 = 2563768^2 + 394332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6728404084048.

It is a congruent number.

It is an unprimeable number.

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, 210262627611 + ... + 210262627642.

Almost surely, 2^{6728404084048} is an apocalyptic number.

It is an amenable number.

6728404084048 is a deficient number, since it is larger than the sum of its proper divisors (6307878828826).

6728404084048 is a wasteful number, since it uses less digits than its factorization.

6728404084048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420525255261 (or 420525255255 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 55.

The spelling of 6728404084048 in words is "six trillion, seven hundred twenty-eight billion, four hundred four million, eighty-four thousand, forty-eight".