6864054881 has 2 divisors, whose sum is σ = 6864054882. Its totient is φ = 6864054880.

The previous prime is 6864054853. The next prime is 6864054917. The reversal of 6864054881 is 1884504686.

6864054881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4999197025 + 1864857856 = 70705^2 + 43184^2 .

It is a cyclic number.

It is not a de Polignac number, because 6864054881 - 2¹⁰ = 6864053857 is a prime.

It is a super-2 number, since 2×6864054881² = 94230498818759848322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6864054851) by changing a digit.

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 as a sum of consecutive naturals, namely, 3432027440 + 3432027441.

It is an arithmetic number, because the mean of its divisors is an integer number (3432027441).

Almost surely, 2^6864054881 is an apocalyptic number.

It is an amenable number.

6864054881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6864054881 is an equidigital number, since it uses as much as digits as its factorization.

6864054881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The square root of 6864054881 is about 82849.5919181259. The cubic root of 6864054881 is about 1900.4666334018.

The spelling of 6864054881 in words is "six billion, eight hundred sixty-four million, fifty-four thousand, eight hundred eighty-one".