43321450345 has 8 divisors (see below), whose sum is σ = 51988288320. Its totient is φ = 34655461680.

The previous prime is 43321450321. The next prime is 43321450349. The reversal of 43321450345 is 54305412334.

It is a happy number.

43321450345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-43321450345 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43321450345.

It is not an unprimeable number, because it can be changed into a prime (43321450349) 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, 94125 + ... + 309034.

It is an arithmetic number, because the mean of its divisors is an integer number (6498536040).

Almost surely, 2^43321450345 is an apocalyptic number.

It is an amenable number.

43321450345 is a deficient number, since it is larger than the sum of its proper divisors (8666837975).

43321450345 is a wasteful number, since it uses less digits than its factorization.

43321450345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424655.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 43321450345 its reverse (54305412334), we get a palindrome (97626862679).

The spelling of 43321450345 in words is "forty-three billion, three hundred twenty-one million, four hundred fifty thousand, three hundred forty-five".