6979321843 has 16 divisors (see below), whose sum is σ = 7558911360. Its totient is φ = 6405917184.

The previous prime is 6979321837. The next prime is 6979321847. The reversal of 6979321843 is 3481239796.

6979321843 is nontrivially palindromic in base 2.

It is a cyclic number.

It is not a de Polignac number, because 6979321843 - 2²¹ = 6977224691 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6979321847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3339943 + ... + 3342031.

It is an arithmetic number, because the mean of its divisors is an integer number (472431960).

Almost surely, 2^6979321843 is an apocalyptic number.

6979321843 is a deficient number, since it is larger than the sum of its proper divisors (579589517).

6979321843 is a wasteful number, since it uses less digits than its factorization.

6979321843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438.

The product of its digits is 1959552, while the sum is 52.

The square root of 6979321843 is about 83542.3356328993. The cubic root of 6979321843 is about 1911.0457111039.

It can be divided in two parts, 6979321 and 843, that added together give a square (6980164 = 2642²).

The spelling of 6979321843 in words is "six billion, nine hundred seventy-nine million, three hundred twenty-one thousand, eight hundred forty-three".