4101661129 has 2 divisors, whose sum is σ = 4101661130. Its totient is φ = 4101661128.

The previous prime is 4101661117. The next prime is 4101661163. The reversal of 4101661129 is 9211661014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2654619529 + 1447041600 = 51523^2 + 38040^2 .

It is a cyclic number.

It is not a de Polignac number, because 4101661129 - 2⁵ = 4101661097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4101661129.

It is not a weakly prime, because it can be changed into another prime (4101761129) 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, 2050830564 + 2050830565.

It is an arithmetic number, because the mean of its divisors is an integer number (2050830565).

Almost surely, 2^4101661129 is an apocalyptic number.

It is an amenable number.

4101661129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4101661129 is an equidigital number, since it uses as much as digits as its factorization.

4101661129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 4101661129 is about 64044.2122990048. The cubic root of 4101661129 is about 1600.7367868355.

The spelling of 4101661129 in words is "four billion, one hundred one million, six hundred sixty-one thousand, one hundred twenty-nine".