4146368209 has 2 divisors, whose sum is σ = 4146368210. Its totient is φ = 4146368208.

The previous prime is 4146368173. The next prime is 4146368249. The reversal of 4146368209 is 9028636414.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2435718609 + 1710649600 = 49353^2 + 41360^2 .

It is a cyclic number.

It is not a de Polignac number, because 4146368209 - 2³¹ = 1998884561 is a prime.

It is not a weakly prime, because it can be changed into another prime (4146368249) 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, 2073184104 + 2073184105.

It is an arithmetic number, because the mean of its divisors is an integer number (2073184105).

Almost surely, 2^4146368209 is an apocalyptic number.

It is an amenable number.

4146368209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4146368209 is an equidigital number, since it uses as much as digits as its factorization.

4146368209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 4146368209 is about 64392.2992989069. The cubic root of 4146368209 is about 1606.5316601482.

The spelling of 4146368209 in words is "four billion, one hundred forty-six million, three hundred sixty-eight thousand, two hundred nine".