43132246640321 has 4 divisors (see below), whose sum is σ = 43232321458944. Its totient is φ = 43032171821700.

The previous prime is 43132246640311. The next prime is 43132246640333. The reversal of 43132246640321 is 12304664223134.

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 a de Polignac number, because none of the positive numbers 2^k-43132246640321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43132246640311) 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, 50037408665 + ... + 50037409526.

It is an arithmetic number, because the mean of its divisors is an integer number (10808080364736).

Almost surely, 2^{43132246640321} is an apocalyptic number.

It is an amenable number.

43132246640321 is a deficient number, since it is larger than the sum of its proper divisors (100074818623).

43132246640321 is a wasteful number, since it uses less digits than its factorization.

43132246640321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100074818622.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 43132246640321 in words is "forty-three trillion, one hundred thirty-two billion, two hundred forty-six million, six hundred forty thousand, three hundred twenty-one".