4164281881 has 2 divisors, whose sum is σ = 4164281882. Its totient is φ = 4164281880.

The previous prime is 4164281857. The next prime is 4164281909. The reversal of 4164281881 is 1881824614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2842595856 + 1321686025 = 53316^2 + 36355^2 .

It is a cyclic number.

It is not a de Polignac number, because 4164281881 - 2¹³ = 4164273689 is a prime.

It is a super-2 number, since 2×4164281881² = 34682487168849796322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4164281831) 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, 2082140940 + 2082140941.

It is an arithmetic number, because the mean of its divisors is an integer number (2082140941).

Almost surely, 2^4164281881 is an apocalyptic number.

It is an amenable number.

4164281881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4164281881 is an equidigital number, since it uses as much as digits as its factorization.

4164281881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98304, while the sum is 43.

The square root of 4164281881 is about 64531.2473225181. The cubic root of 4164281881 is about 1608.8419177214.

The spelling of 4164281881 in words is "four billion, one hundred sixty-four million, two hundred eighty-one thousand, eight hundred eighty-one".