6864554686 has 32 divisors (see below), whose sum is σ = 11355821568. Its totient is φ = 3086185440.

The previous prime is 6864554681. The next prime is 6864554689.

6864554686 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6864554686² = 94244222074169117192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6864554686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864554681) 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, 2770080 + ... + 2772556.

It is an arithmetic number, because the mean of its divisors is an integer number (354869424).

Almost surely, 2^6864554686 is an apocalyptic number.

6864554686 is a deficient number, since it is larger than the sum of its proper divisors (4491266882).

6864554686 is a wasteful number, since it uses less digits than its factorization.

6864554686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816.

The product of its digits is 33177600, while the sum is 58.

The square root of 6864554686 is about 82852.6082027597. The cubic root of 6864554686 is about 1900.5127596682.

The spelling of 6864554686 in words is "six billion, eight hundred sixty-four million, five hundred fifty-four thousand, six hundred eighty-six".