4138856833 has 2 divisors, whose sum is σ = 4138856834. Its totient is φ = 4138856832.

The previous prime is 4138856803. The next prime is 4138856851. The reversal of 4138856833 is 3386588314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3788156304 + 350700529 = 61548^2 + 18727^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138856833 - 2²¹ = 4136759681 is a prime.

It is not a weakly prime, because it can be changed into another prime (4138856803) 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, 2069428416 + 2069428417.

It is an arithmetic number, because the mean of its divisors is an integer number (2069428417).

Almost surely, 2^4138856833 is an apocalyptic number.

It is an amenable number.

4138856833 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138856833 is an equidigital number, since it uses as much as digits as its factorization.

4138856833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 49.

The square root of 4138856833 is about 64333.9477492249. The cubic root of 4138856833 is about 1605.5609666860.

The spelling of 4138856833 in words is "four billion, one hundred thirty-eight million, eight hundred fifty-six thousand, eight hundred thirty-three".