43330132191 has 4 divisors (see below), whose sum is σ = 57773509592. Its totient is φ = 28886754792.

The previous prime is 43330132189. The next prime is 43330132207. The reversal of 43330132191 is 19123103334.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43330132191 - 2¹ = 43330132189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43330132141) 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, 7221688696 + ... + 7221688701.

It is an arithmetic number, because the mean of its divisors is an integer number (14443377398).

Almost surely, 2^43330132191 is an apocalyptic number.

43330132191 is a deficient number, since it is larger than the sum of its proper divisors (14443377401).

43330132191 is a wasteful number, since it uses less digits than its factorization.

43330132191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443377400.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 43330132191 in words is "forty-three billion, three hundred thirty million, one hundred thirty-two thousand, one hundred ninety-one".