3966211531241 has 2 divisors, whose sum is σ = 3966211531242. Its totient is φ = 3966211531240.

The previous prime is 3966211531207. The next prime is 3966211531277. The reversal of 3966211531241 is 1421351126693.

3966211531241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3800924563216 + 165286968025 = 1949596^2 + 406555^2 .

It is a cyclic number.

It is not a de Polignac number, because 3966211531241 - 2¹⁴ = 3966211514857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3966211531192 and 3966211531201.

It is not a weakly prime, because it can be changed into another prime (3966211431241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983105765620 + 1983105765621.

It is an arithmetic number, because the mean of its divisors is an integer number (1983105765621).

Almost surely, 2^{3966211531241} is an apocalyptic number.

It is an amenable number.

3966211531241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3966211531241 is an equidigital number, since it uses as much as digits as its factorization.

3966211531241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The spelling of 3966211531241 in words is "three trillion, nine hundred sixty-six billion, two hundred eleven million, five hundred thirty-one thousand, two hundred forty-one".