5179789681 has 16 divisors (see below), whose sum is σ = 5921735040. Its totient is φ = 4484782720.

The previous prime is 5179789663. The next prime is 5179789723. The reversal of 5179789681 is 1869879715.

It is not a de Polignac number, because 5179789681 - 2⁷ = 5179789553 is a prime.

It is a super-4 number, since 4×5179789681⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5179789651) 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, 15015 + ... + 102883.

It is an arithmetic number, because the mean of its divisors is an integer number (370108440).

Almost surely, 2^5179789681 is an apocalyptic number.

It is an amenable number.

5179789681 is a deficient number, since it is larger than the sum of its proper divisors (741945359).

5179789681 is a wasteful number, since it uses less digits than its factorization.

5179789681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88136.

The product of its digits is 7620480, while the sum is 61.

The square root of 5179789681 is about 71970.7557345343. The cubic root of 5179789681 is about 1730.2308134241.

The spelling of 5179789681 in words is "five billion, one hundred seventy-nine million, seven hundred eighty-nine thousand, six hundred eighty-one".