43243344439 has 8 divisors (see below), whose sum is σ = 44348908032. Its totient is φ = 42142322040.

The previous prime is 43243344433. The next prime is 43243344451. The reversal of 43243344439 is 93444334234.

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 43243344439 - 2⁷ = 43243344311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43243344395 and 43243344404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243344433) 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, 1116007 + ... + 1154104.

It is an arithmetic number, because the mean of its divisors is an integer number (5543613504).

Almost surely, 2^43243344439 is an apocalyptic number.

43243344439 is a deficient number, since it is larger than the sum of its proper divisors (1105563593).

43243344439 is a wasteful number, since it uses less digits than its factorization.

43243344439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270597.

The product of its digits is 1492992, while the sum is 43.

The spelling of 43243344439 in words is "forty-three billion, two hundred forty-three million, three hundred forty-four thousand, four hundred thirty-nine".