43343949668 has 6 divisors (see below), whose sum is σ = 75851911926. Its totient is φ = 21671974832.

The previous prime is 43343949617. The next prime is 43343949721. The reversal of 43343949668 is 86694934334.

It can be written as a sum of positive squares in only one way, i.e., 43343908864 + 40804 = 208192^2 + 202^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5417993705 + ... + 5417993712.

It is an arithmetic number, because the mean of its divisors is an integer number (12641985321).

Almost surely, 2^43343949668 is an apocalyptic number.

It is an amenable number.

43343949668 is a deficient number, since it is larger than the sum of its proper divisors (32507962258).

43343949668 is a wasteful number, since it uses less digits than its factorization.

43343949668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835987421 (or 10835987419 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 59.

The spelling of 43343949668 in words is "forty-three billion, three hundred forty-three million, nine hundred forty-nine thousand, six hundred sixty-eight".