43859680845 has 16 divisors (see below), whose sum is σ = 73868936640. Its totient is φ = 22160680704.

The previous prime is 43859680841. The next prime is 43859680847. The reversal of 43859680845 is 54808695834.

It is not a de Polignac number, because 43859680845 - 2² = 43859680841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43859680841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76946524 + ... + 76947093.

It is an arithmetic number, because the mean of its divisors is an integer number (4616808540).

Almost surely, 2^43859680845 is an apocalyptic number.

It is an amenable number.

43859680845 is a deficient number, since it is larger than the sum of its proper divisors (30009255795).

43859680845 is a wasteful number, since it uses less digits than its factorization.

43859680845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153893644.

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 43859680845 in words is "forty-three billion, eight hundred fifty-nine million, six hundred eighty thousand, eight hundred forty-five".