3179485729729 has 16 divisors (see below), whose sum is σ = 3404574225360. Its totient is φ = 2958630737920.

The previous prime is 3179485729699. The next prime is 3179485729813. The reversal of 3179485729729 is 9279275849713.

It can be written as a sum of positive squares in 8 ways, for example, as 54538596225 + 3124947133504 = 233535^2 + 1767752^2 .

It is a cyclic number.

It is not a de Polignac number, because 3179485729729 - 2⁷ = 3179485729601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3179485759729) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 24780987 + ... + 24908959.

It is an arithmetic number, because the mean of its divisors is an integer number (212785889085).

Almost surely, 2^{3179485729729} is an apocalyptic number.

It is an amenable number.

3179485729729 is a deficient number, since it is larger than the sum of its proper divisors (225088495631).

3179485729729 is a wasteful number, since it uses less digits than its factorization.

3179485729729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144500.

The product of its digits is 480090240, while the sum is 73.

The spelling of 3179485729729 in words is "three trillion, one hundred seventy-nine billion, four hundred eighty-five million, seven hundred twenty-nine thousand, seven hundred twenty-nine".