2864018881 has 2 divisors, whose sum is σ = 2864018882. Its totient is φ = 2864018880.

The previous prime is 2864018867. The next prime is 2864018891. The reversal of 2864018881 is 1888104682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2806880400 + 57138481 = 52980^2 + 7559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2864018881 - 2⁹ = 2864018369 is a prime.

It is a super-2 number, since 2×2864018881² = 16405208301448984322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2864018851) 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 as a sum of consecutive naturals, namely, 1432009440 + 1432009441.

It is an arithmetic number, because the mean of its divisors is an integer number (1432009441).

Almost surely, 2^2864018881 is an apocalyptic number.

It is an amenable number.

2864018881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864018881 is an equidigital number, since it uses as much as digits as its factorization.

2864018881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 46.

The square root of 2864018881 is about 53516.5290447727. The cubic root of 2864018881 is about 1420.1208124745.

The spelling of 2864018881 in words is "two billion, eight hundred sixty-four million, eighteen thousand, eight hundred eighty-one".