6854561854 has 16 divisors (see below), whose sum is σ = 11752409088. Its totient is φ = 2937236472.

The previous prime is 6854561803. The next prime is 6854561893. The reversal of 6854561854 is 4581654586.

It is a congruent number.

It is an unprimeable number.

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, 73879 + ... + 138445.

It is an arithmetic number, because the mean of its divisors is an integer number (734525568).

Almost surely, 2^6854561854 is an apocalyptic number.

6854561854 is a deficient number, since it is larger than the sum of its proper divisors (4897847234).

6854561854 is a wasteful number, since it uses less digits than its factorization.

6854561854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72159.

The product of its digits is 4608000, while the sum is 52.

The square root of 6854561854 is about 82792.2813672869. The cubic root of 6854561854 is about 1899.5901104723.

The spelling of 6854561854 in words is "six billion, eight hundred fifty-four million, five hundred sixty-one thousand, eight hundred fifty-four".