43432021241 has 16 divisors (see below), whose sum is σ = 50403373440. Its totient is φ = 36652936320.

The previous prime is 43432021223. The next prime is 43432021291. The reversal of 43432021241 is 14212023434.

It is a de Polignac number, because none of the positive numbers 2^k-43432021241 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43432021241.

It is not an unprimeable number, because it can be changed into a prime (43432021201) 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, 928781 + ... + 974421.

It is an arithmetic number, because the mean of its divisors is an integer number (3150210840).

Almost surely, 2^43432021241 is an apocalyptic number.

It is an amenable number.

43432021241 is a deficient number, since it is larger than the sum of its proper divisors (6971352199).

43432021241 is a wasteful number, since it uses less digits than its factorization.

43432021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47744.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43432021241 its reverse (14212023434), we get a palindrome (57644044675).

The spelling of 43432021241 in words is "forty-three billion, four hundred thirty-two million, twenty-one thousand, two hundred forty-one".