43422444245 has 4 divisors (see below), whose sum is σ = 52106933100. Its totient is φ = 34737955392.

The previous prime is 43422444187. The next prime is 43422444251. The reversal of 43422444245 is 54244422434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9357466756 + 34064977489 = 96734^2 + 184567^2 .

It is a cyclic number.

It is not a de Polignac number, because 43422444245 - 2¹⁶ = 43422378709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43422444199 and 43422444208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4342244420 + ... + 4342244429.

It is an arithmetic number, because the mean of its divisors is an integer number (13026733275).

Almost surely, 2^43422444245 is an apocalyptic number.

It is an amenable number.

43422444245 is a deficient number, since it is larger than the sum of its proper divisors (8684488855).

43422444245 is an equidigital number, since it uses as much as digits as its factorization.

43422444245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684488854.

The product of its digits is 491520, while the sum is 38.

Adding to 43422444245 its reverse (54244422434), we get a palindrome (97666866679).

The spelling of 43422444245 in words is "forty-three billion, four hundred twenty-two million, four hundred forty-four thousand, two hundred forty-five".