6172839845679 has 16 divisors (see below), whose sum is σ = 8863630984544. Its totient is φ = 3798642355200.

The previous prime is 6172839845677. The next prime is 6172839845713. The reversal of 6172839845679 is 9765489382716.

It is not a de Polignac number, because 6172839845679 - 2¹ = 6172839845677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6172839845679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6172839845677) 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, 5505699 + ... + 6531339.

It is an arithmetic number, because the mean of its divisors is an integer number (553976936534).

Almost surely, 2^{6172839845679} is an apocalyptic number.

6172839845679 is a deficient number, since it is larger than the sum of its proper divisors (2690791138865).

6172839845679 is a wasteful number, since it uses less digits than its factorization.

6172839845679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179978.

The product of its digits is 1097349120, while the sum is 75.

The spelling of 6172839845679 in words is "six trillion, one hundred seventy-two billion, eight hundred thirty-nine million, eight hundred forty-five thousand, six hundred seventy-nine".