43691400089 has 4 divisors (see below), whose sum is σ = 43694417280. Its totient is φ = 43688382900.

The previous prime is 43691400061. The next prime is 43691400101. The reversal of 43691400089 is 98000419634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43691400089 - 2⁸ = 43691399833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43691400059) 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 3 ways as a sum of consecutive naturals, for example, 1486769 + ... + 1515870.

It is an arithmetic number, because the mean of its divisors is an integer number (10923604320).

Almost surely, 2^43691400089 is an apocalyptic number.

It is an amenable number.

43691400089 is a deficient number, since it is larger than the sum of its proper divisors (3017191).

43691400089 is a wasteful number, since it uses less digits than its factorization.

43691400089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017190.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 43691400089 in words is "forty-three billion, six hundred ninety-one million, four hundred thousand, eighty-nine".