43726036889 has 8 divisors (see below), whose sum is σ = 47791646208. Its totient is φ = 39826370880.

The previous prime is 43726036883. The next prime is 43726036919. The reversal of 43726036889 is 98863062734.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 43726036889 - 2²⁰ = 43724988313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43726036883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41485277 + ... + 41486330.

It is an arithmetic number, because the mean of its divisors is an integer number (5973955776).

Almost surely, 2^43726036889 is an apocalyptic number.

It is an amenable number.

43726036889 is a deficient number, since it is larger than the sum of its proper divisors (4065609319).

43726036889 is a wasteful number, since it uses less digits than its factorization.

43726036889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82971655.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 43726036889 in words is "forty-three billion, seven hundred twenty-six million, thirty-six thousand, eight hundred eighty-nine".