4043522141 has 2 divisors, whose sum is σ = 4043522142. Its totient is φ = 4043522140.

The previous prime is 4043522129. The next prime is 4043522177. The reversal of 4043522141 is 1412253404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3940072900 + 103449241 = 62770^2 + 10171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043522141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4043522141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043528141) 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, 2021761070 + 2021761071.

It is an arithmetic number, because the mean of its divisors is an integer number (2021761071).

Almost surely, 2^4043522141 is an apocalyptic number.

It is an amenable number.

4043522141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043522141 is an equidigital number, since it uses as much as digits as its factorization.

4043522141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4043522141 is about 63588.6950723161. The cubic root of 4043522141 is about 1593.1375542970.

Adding to 4043522141 its reverse (1412253404), we get a palindrome (5455775545).

The spelling of 4043522141 in words is "four billion, forty-three million, five hundred twenty-two thousand, one hundred forty-one".