4166041409 has 2 divisors, whose sum is σ = 4166041410. Its totient is φ = 4166041408.

The previous prime is 4166041393. The next prime is 4166041427. The reversal of 4166041409 is 9041406614.

It is a happy number.

4166041409 is digitally balanced in base 2 and base 3, because in such bases 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., 3472509184 + 693532225 = 58928^2 + 26335^2 .

It is a cyclic number.

It is not a de Polignac number, because 4166041409 - 2⁴ = 4166041393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4166041499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083020704 + 2083020705.

It is an arithmetic number, because the mean of its divisors is an integer number (2083020705).

Almost surely, 2^4166041409 is an apocalyptic number.

It is an amenable number.

4166041409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166041409 is an equidigital number, since it uses as much as digits as its factorization.

4166041409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4166041409 is about 64544.8790300207. The cubic root of 4166041409 is about 1609.0684796975.

The spelling of 4166041409 in words is "four billion, one hundred sixty-six million, forty-one thousand, four hundred nine".