43432531441 has 8 divisors (see below), whose sum is σ = 47365566080. Its totient is φ = 39584078352.

The previous prime is 43432531423. The next prime is 43432531477. The reversal of 43432531441 is 14413523434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43432531441 - 2⁷ = 43432531313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43432531397 and 43432531406.

It is not an unprimeable number, because it can be changed into a prime (43432531421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21144315 + ... + 21146368.

It is an arithmetic number, because the mean of its divisors is an integer number (5920695760).

Almost surely, 2^43432531441 is an apocalyptic number.

It is an amenable number.

43432531441 is a deficient number, since it is larger than the sum of its proper divisors (3933034639).

43432531441 is a wasteful number, since it uses less digits than its factorization.

43432531441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42290775.

The product of its digits is 69120, while the sum is 34.

The spelling of 43432531441 in words is "forty-three billion, four hundred thirty-two million, five hundred thirty-one thousand, four hundred forty-one".