43091134981 has 8 divisors (see below), whose sum is σ = 43144982784. Its totient is φ = 43037316960.

The previous prime is 43091134979. The next prime is 43091134991. The reversal of 43091134981 is 18943119034.

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 43091134981 - 2¹ = 43091134979 is a prime.

It is a super-2 number, since 2×43091134981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43091134951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4353420 + ... + 4363306.

It is an arithmetic number, because the mean of its divisors is an integer number (5393122848).

Almost surely, 2^43091134981 is an apocalyptic number.

It is an amenable number.

43091134981 is a deficient number, since it is larger than the sum of its proper divisors (53847803).

43091134981 is a wasteful number, since it uses less digits than its factorization.

43091134981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 43091134981 in words is "forty-three billion, ninety-one million, one hundred thirty-four thousand, nine hundred eighty-one".