6715871144 has 32 divisors (see below), whose sum is σ = 12736374120. Its totient is φ = 3319658496.

The previous prime is 6715871143. The next prime is 6715871191. The reversal of 6715871144 is 4411785176.

It can be written as a sum of positive squares in 4 ways, for example, as 5308871044 + 1407000100 = 72862^2 + 37510^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6715871095 and 6715871104.

It is not an unprimeable number, because it can be changed into a prime (6715871143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349532 + ... + 368244.

Almost surely, 2^6715871144 is an apocalyptic number.

It is an amenable number.

6715871144 is a deficient number, since it is larger than the sum of its proper divisors (6020502976).

6715871144 is a wasteful number, since it uses less digits than its factorization.

6715871144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19229 (or 19225 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 6715871144 is about 81950.4188152812. The cubic root of 6715871144 is about 1886.6910312183.

The spelling of 6715871144 in words is "six billion, seven hundred fifteen million, eight hundred seventy-one thousand, one hundred forty-four".