43091830913 has 4 divisors (see below), whose sum is σ = 43092922368. Its totient is φ = 43090739460.

The previous prime is 43091830909. The next prime is 43091830921. The reversal of 43091830913 is 31903819034.

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 43091830913 - 2² = 43091830909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43091830933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484193 + ... + 566238.

It is an arithmetic number, because the mean of its divisors is an integer number (10773230592).

Almost surely, 2^43091830913 is an apocalyptic number.

It is an amenable number.

43091830913 is a deficient number, since it is larger than the sum of its proper divisors (1091455).

43091830913 is a wasteful number, since it uses less digits than its factorization.

43091830913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091454.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 43091830913 in words is "forty-three billion, ninety-one million, eight hundred thirty thousand, nine hundred thirteen".