43873972859 has 8 divisors (see below), whose sum is σ = 44948590512. Its totient is φ = 42799570560.

The previous prime is 43873972841. The next prime is 43873972913. The reversal of 43873972859 is 95827937834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43873972859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43873972795 and 43873972804.

It is not an unprimeable number, because it can be changed into a prime (43873572859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406127 + ... + 502679.

It is an arithmetic number, because the mean of its divisors is an integer number (5618573814).

Almost surely, 2^43873972859 is an apocalyptic number.

43873972859 is a deficient number, since it is larger than the sum of its proper divisors (1074617653).

43873972859 is a wasteful number, since it uses less digits than its factorization.

43873972859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107677.

The product of its digits is 91445760, while the sum is 65.

The spelling of 43873972859 in words is "forty-three billion, eight hundred seventy-three million, nine hundred seventy-two thousand, eight hundred fifty-nine".