43434221045 has 8 divisors (see below), whose sum is σ = 53392311000. Its totient is φ = 33899879680.

The previous prime is 43434221041. The next prime is 43434221063. The reversal of 43434221045 is 54012243434.

It can be written as a sum of positive squares in 4 ways, for example, as 1288594609 + 42145626436 = 35897^2 + 205294^2 .

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

It is not a de Polignac number, because 43434221045 - 2² = 43434221041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43434221041) 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, 105936920 + ... + 105937329.

It is an arithmetic number, because the mean of its divisors is an integer number (6674038875).

Almost surely, 2^43434221045 is an apocalyptic number.

It is an amenable number.

43434221045 is a deficient number, since it is larger than the sum of its proper divisors (9958089955).

43434221045 is a wasteful number, since it uses less digits than its factorization.

43434221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211874295.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 43434221045 its reverse (54012243434), we get a palindrome (97446464479).

The spelling of 43434221045 in words is "forty-three billion, four hundred thirty-four million, two hundred twenty-one thousand, forty-five".