3500012209 has 2 divisors, whose sum is σ = 3500012210. Its totient is φ = 3500012208.

The previous prime is 3500012149. The next prime is 3500012231. The reversal of 3500012209 is 9022100053.

It is an a-pointer prime, because the next prime (3500012231) can be obtained adding 3500012209 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2313898609 + 1186113600 = 48103^2 + 34440^2 .

It is an emirp because it is prime and its reverse (9022100053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3500012209 - 2⁷ = 3500012081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3500012209.

It is not a weakly prime, because it can be changed into another prime (3500012279) 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, 1750006104 + 1750006105.

It is an arithmetic number, because the mean of its divisors is an integer number (1750006105).

Almost surely, 2^3500012209 is an apocalyptic number.

It is an amenable number.

3500012209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500012209 is an equidigital number, since it uses as much as digits as its factorization.

3500012209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3500012209 is about 59160.9010157891. The cubic root of 3500012209 is about 1518.2962513508.

The spelling of 3500012209 in words is "three billion, five hundred million, twelve thousand, two hundred nine".