43859649122806 has 16 divisors (see below), whose sum is σ = 73710073711440. Its totient is φ = 19397387818080.

The previous prime is 43859649122719. The next prime is 43859649122813. The reversal of 43859649122806 is 60822194695834.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26940815601 + ... + 26940817228.

It is an arithmetic number, because the mean of its divisors is an integer number (4606879606965).

Almost surely, 2^{43859649122806} is an apocalyptic number.

43859649122806 is a deficient number, since it is larger than the sum of its proper divisors (29850424588634).

43859649122806 is a wasteful number, since it uses less digits than its factorization.

43859649122806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53881632879.

The product of its (nonzero) digits is 179159040, while the sum is 67.

The spelling of 43859649122806 in words is "forty-three trillion, eight hundred fifty-nine billion, six hundred forty-nine million, one hundred twenty-two thousand, eight hundred six".