4166326009 has 2 divisors, whose sum is σ = 4166326010. Its totient is φ = 4166326008.

The previous prime is 4166325997. The next prime is 4166326019. The reversal of 4166326009 is 9006236614.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3902750784 + 263575225 = 62472^2 + 16235^2 .

It is a cyclic number.

It is not a de Polignac number, because 4166326009 - 2²¹ = 4164228857 is a prime.

It is not a weakly prime, because it can be changed into another prime (4166326019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083163004 + 2083163005.

It is an arithmetic number, because the mean of its divisors is an integer number (2083163005).

Almost surely, 2^4166326009 is an apocalyptic number.

It is an amenable number.

4166326009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166326009 is an equidigital number, since it uses as much as digits as its factorization.

4166326009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 4166326009 is about 64547.0836599145. The cubic root of 4166326009 is about 1609.1051196327.

The spelling of 4166326009 in words is "four billion, one hundred sixty-six million, three hundred twenty-six thousand, nine".