344066646722 has 6 divisors (see below), whose sum is σ = 516101214393. Its totient is φ = 172032908592.

The previous prime is 344066646673. The next prime is 344066646727. The reversal of 344066646722 is 227646660443.

It can be written as a sum of positive squares in 2 ways, for example, as 233444551921 + 110622094801 = 483161^2 + 332599^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=414769.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344066646727) 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 in 2 ways as a sum of consecutive naturals, for example, 622154 + ... + 1036922.

Almost surely, 2^344066646722 is an apocalyptic number.

344066646722 is a deficient number, since it is larger than the sum of its proper divisors (172034567671).

344066646722 is an frugal number, since it uses more digits than its factorization.

344066646722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829540 (or 414771 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 50.

Multiplying 344066646722 by its sum of digits (50), we get a square (17203332336100 = 4147690²).

The spelling of 344066646722 in words is "three hundred forty-four billion, sixty-six million, six hundred forty-six thousand, seven hundred twenty-two".