4143335681 has 16 divisors (see below), whose sum is σ = 4426598400. Its totient is φ = 3866866128.

The previous prime is 4143335671. The next prime is 4143335689. The reversal of 4143335681 is 1865333414.

4143335681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4143335681 - 2¹⁸ = 4143073537 is a prime.

It is a super-2 number, since 2×4143335681² = 34334461130895467522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143335689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575180 + ... + 582338.

It is an arithmetic number, because the mean of its divisors is an integer number (276662400).

Almost surely, 2^4143335681 is an apocalyptic number.

It is an amenable number.

4143335681 is a deficient number, since it is larger than the sum of its proper divisors (283262719).

4143335681 is a wasteful number, since it uses less digits than its factorization.

4143335681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628.

The product of its digits is 103680, while the sum is 38.

The square root of 4143335681 is about 64368.7477041460. The cubic root of 4143335681 is about 1606.1399084442.

The spelling of 4143335681 in words is "four billion, one hundred forty-three million, three hundred thirty-five thousand, six hundred eighty-one".