6729005556779 has 16 divisors (see below), whose sum is σ = 7417893396480. Its totient is φ = 6053002940160.

The previous prime is 6729005556773. The next prime is 6729005556787. The reversal of 6729005556779 is 9776555009276.

It is a de Polignac number, because none of the positive numbers 2^k-6729005556779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6729005556773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4731782 + ... + 5987300.

It is an arithmetic number, because the mean of its divisors is an integer number (463618337280).

Almost surely, 2^{6729005556779} is an apocalyptic number.

6729005556779 is a deficient number, since it is larger than the sum of its proper divisors (688887839701).

6729005556779 is a wasteful number, since it uses less digits than its factorization.

6729005556779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260650.

The product of its (nonzero) digits is 250047000, while the sum is 68.

The spelling of 6729005556779 in words is "six trillion, seven hundred twenty-nine billion, five million, five hundred fifty-six thousand, seven hundred seventy-nine".