4155942481 has 2 divisors, whose sum is σ = 4155942482. Its totient is φ = 4155942480.

The previous prime is 4155942463. The next prime is 4155942529. The reversal of 4155942481 is 1842495514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3530142225 + 625800256 = 59415^2 + 25016^2 .

It is a cyclic number.

It is not a de Polignac number, because 4155942481 - 2⁹ = 4155941969 is a prime.

It is a super-2 number, since 2×4155942481² = 34543715810760870722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4155942421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077971240 + 2077971241.

It is an arithmetic number, because the mean of its divisors is an integer number (2077971241).

Almost surely, 2^4155942481 is an apocalyptic number.

It is an amenable number.

4155942481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155942481 is an equidigital number, since it uses as much as digits as its factorization.

4155942481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 43.

The square root of 4155942481 is about 64466.5997319542. The cubic root of 4155942481 is about 1607.7672432393.

The spelling of 4155942481 in words is "four billion, one hundred fifty-five million, nine hundred forty-two thousand, four hundred eighty-one".