6861344558 has 16 divisors (see below), whose sum is σ = 10314744000. Its totient is φ = 3423106656.

The previous prime is 6861344489. The next prime is 6861344563. The reversal of 6861344558 is 8554431686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494568 + ... + 2497316.

It is an arithmetic number, because the mean of its divisors is an integer number (644671500).

Almost surely, 2^6861344558 is an apocalyptic number.

6861344558 is a deficient number, since it is larger than the sum of its proper divisors (3453399442).

6861344558 is a wasteful number, since it uses less digits than its factorization.

6861344558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its digits is 2764800, while the sum is 50.

The square root of 6861344558 is about 82833.2334150973. The cubic root of 6861344558 is about 1900.2164626879.

The spelling of 6861344558 in words is "six billion, eight hundred sixty-one million, three hundred forty-four thousand, five hundred fifty-eight".