6871248489 has 24 divisors (see below), whose sum is σ = 10661945760. Its totient is φ = 3924770304.

The previous prime is 6871248481. The next prime is 6871248509. The reversal of 6871248489 is 9848421786.

It is not a de Polignac number, because 6871248489 - 2³ = 6871248481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6871248481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396202 + ... + 413180.

It is an arithmetic number, because the mean of its divisors is an integer number (444247740).

Almost surely, 2^6871248489 is an apocalyptic number.

It is an amenable number.

6871248489 is a deficient number, since it is larger than the sum of its proper divisors (3790697271).

6871248489 is a wasteful number, since it uses less digits than its factorization.

6871248489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749 (or 19742 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 57.

The square root of 6871248489 is about 82892.9942094023. The cubic root of 6871248489 is about 1901.1303051980.

The spelling of 6871248489 in words is "six billion, eight hundred seventy-one million, two hundred forty-eight thousand, four hundred eighty-nine".