4235854081 has 2 divisors, whose sum is σ = 4235854082. Its totient is φ = 4235854080.

The previous prime is 4235853997. The next prime is 4235854097. The reversal of 4235854081 is 1804585324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3653114481 + 582739600 = 60441^2 + 24140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4235854081 - 2¹⁵ = 4235821313 is a prime.

It is a super-2 number, since 2×4235854081² = 35884919591048709122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4235854681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117927040 + 2117927041.

It is an arithmetic number, because the mean of its divisors is an integer number (2117927041).

Almost surely, 2^4235854081 is an apocalyptic number.

It is an amenable number.

4235854081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4235854081 is an equidigital number, since it uses as much as digits as its factorization.

4235854081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 4235854081 is about 65083.4393759273. The cubic root of 4235854081 is about 1618.0067545606.

The spelling of 4235854081 in words is "four billion, two hundred thirty-five million, eight hundred fifty-four thousand, eighty-one".