4278205133 has 2 divisors, whose sum is σ = 4278205134. Its totient is φ = 4278205132.

The previous prime is 4278205117. The next prime is 4278205157. The reversal of 4278205133 is 3315028724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3597360484 + 680844649 = 59978^2 + 26093^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278205133 - 2⁴ = 4278205117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4278205093 and 4278205102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278205163) 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, 2139102566 + 2139102567.

It is an arithmetic number, because the mean of its divisors is an integer number (2139102567).

Almost surely, 2^4278205133 is an apocalyptic number.

It is an amenable number.

4278205133 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278205133 is an equidigital number, since it uses as much as digits as its factorization.

4278205133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 4278205133 is about 65407.9898254028. The cubic root of 4278205133 is about 1623.3812845536.

The spelling of 4278205133 in words is "four billion, two hundred seventy-eight million, two hundred five thousand, one hundred thirty-three".