3469445909 has 2 divisors, whose sum is σ = 3469445910. Its totient is φ = 3469445908.

The previous prime is 3469445891. The next prime is 3469445921. The reversal of 3469445909 is 9095449643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3445337809 + 24108100 = 58697^2 + 4910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3469445909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3469445929) 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, 1734722954 + 1734722955.

It is an arithmetic number, because the mean of its divisors is an integer number (1734722955).

Almost surely, 2^3469445909 is an apocalyptic number.

It is an amenable number.

3469445909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3469445909 is an equidigital number, since it uses as much as digits as its factorization.

3469445909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The square root of 3469445909 is about 58902.0025890462. The cubic root of 3469445909 is about 1513.8634614037.

The spelling of 3469445909 in words is "three billion, four hundred sixty-nine million, four hundred forty-five thousand, nine hundred nine".