3440442209 has 2 divisors, whose sum is σ = 3440442210. Its totient is φ = 3440442208.

The previous prime is 3440442149. The next prime is 3440442211. The reversal of 3440442209 is 9022440443.

3440442209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2196328225 + 1244113984 = 46865^2 + 35272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3440442209 is a prime.

Together with 3440442211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3440441209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720221104 + 1720221105.

It is an arithmetic number, because the mean of its divisors is an integer number (1720221105).

Almost surely, 2^3440442209 is an apocalyptic number.

It is an amenable number.

3440442209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440442209 is an equidigital number, since it uses as much as digits as its factorization.

3440442209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 3440442209 is about 58655.2828737532. The cubic root of 3440442209 is about 1509.6331446558.

The spelling of 3440442209 in words is "three billion, four hundred forty million, four hundred forty-two thousand, two hundred nine".