4128374281 has 2 divisors, whose sum is σ = 4128374282. Its totient is φ = 4128374280.

The previous prime is 4128374273. The next prime is 4128374323. The reversal of 4128374281 is 1824738214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2162250000 + 1966124281 = 46500^2 + 44341^2 .

It is a cyclic number.

It is not a de Polignac number, because 4128374281 - 2³ = 4128374273 is a prime.

It is a super-2 number, since 2×4128374281² = 34086948408044533922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4128374681) 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, 2064187140 + 2064187141.

It is an arithmetic number, because the mean of its divisors is an integer number (2064187141).

Almost surely, 2^4128374281 is an apocalyptic number.

It is an amenable number.

4128374281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128374281 is an equidigital number, since it uses as much as digits as its factorization.

4128374281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 4128374281 is about 64252.4262654727. The cubic root of 4128374281 is about 1604.2043436789.

The spelling of 4128374281 in words is "four billion, one hundred twenty-eight million, three hundred seventy-four thousand, two hundred eighty-one".