4132661761 has 2 divisors, whose sum is σ = 4132661762. Its totient is φ = 4132661760.

The previous prime is 4132661737. The next prime is 4132661779. The reversal of 4132661761 is 1671662314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3817386225 + 315275536 = 61785^2 + 17756^2 .

It is a cyclic number.

It is not a de Polignac number, because 4132661761 - 2⁹ = 4132661249 is a prime.

It is a super-2 number, since 2×4132661761² = 34157786461663242242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4132661761.

It is not a weakly prime, because it can be changed into another prime (4132661711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2066330880 + 2066330881.

It is an arithmetic number, because the mean of its divisors is an integer number (2066330881).

Almost surely, 2^4132661761 is an apocalyptic number.

It is an amenable number.

4132661761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4132661761 is an equidigital number, since it uses as much as digits as its factorization.

4132661761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 4132661761 is about 64285.7819505993. The cubic root of 4132661761 is about 1604.7594947643.

The spelling of 4132661761 in words is "four billion, one hundred thirty-two million, six hundred sixty-one thousand, seven hundred sixty-one".