3540266209 has 2 divisors, whose sum is σ = 3540266210. Its totient is φ = 3540266208.

The previous prime is 3540266207. The next prime is 3540266287. The reversal of 3540266209 is 9026620453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3499905600 + 40360609 = 59160^2 + 6353^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540266209 - 2¹ = 3540266207 is a prime.

Together with 3540266207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3540266207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770133104 + 1770133105.

It is an arithmetic number, because the mean of its divisors is an integer number (1770133105).

Almost surely, 2^3540266209 is an apocalyptic number.

It is an amenable number.

3540266209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540266209 is an equidigital number, since it uses as much as digits as its factorization.

3540266209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 3540266209 is about 59500.1362099281. The cubic root of 3540266209 is about 1524.0947717728.

The spelling of 3540266209 in words is "three billion, five hundred forty million, two hundred sixty-six thousand, two hundred nine".