43321042319 has 16 divisors (see below), whose sum is σ = 46186028928. Its totient is φ = 40492204032.

The previous prime is 43321042243. The next prime is 43321042351. The reversal of 43321042319 is 91324012334.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43321042319 is a prime.

It is a super-2 number, since 2×43321042319² (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 (43321042019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457642 + ... + 1487064.

It is an arithmetic number, because the mean of its divisors is an integer number (2886626808).

Almost surely, 2^43321042319 is an apocalyptic number.

43321042319 is a deficient number, since it is larger than the sum of its proper divisors (2864986609).

43321042319 is a wasteful number, since it uses less digits than its factorization.

43321042319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30034.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 43321042319 in words is "forty-three billion, three hundred twenty-one million, forty-two thousand, three hundred nineteen".