3387856361209 has 2 divisors, whose sum is σ = 3387856361210. Its totient is φ = 3387856361208.

The previous prime is 3387856361161. The next prime is 3387856361297. The reversal of 3387856361209 is 9021636587833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3089871386809 + 297984974400 = 1757803^2 + 545880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3387856361209 - 2¹⁷ = 3387856230137 is a prime.

It is a super-2 number, since 2×3387856361209² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3387856361509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1693928180604 + 1693928180605.

It is an arithmetic number, because the mean of its divisors is an integer number (1693928180605).

Almost surely, 2^{3387856361209} is an apocalyptic number.

It is an amenable number.

3387856361209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3387856361209 is an equidigital number, since it uses as much as digits as its factorization.

3387856361209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 3387856361209 in words is "three trillion, three hundred eighty-seven billion, eight hundred fifty-six million, three hundred sixty-one thousand, two hundred nine".