43220030643 has 6 divisors (see below), whose sum is σ = 62428933164. Its totient is φ = 28813353756.

The previous prime is 43220030629. The next prime is 43220030677. The reversal of 43220030643 is 34603002234.

It is a happy number.

It is not a de Polignac number, because 43220030643 - 2⁴ = 43220030627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43220030603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2401112805 + ... + 2401112822.

It is an arithmetic number, because the mean of its divisors is an integer number (10404822194).

Almost surely, 2^43220030643 is an apocalyptic number.

43220030643 is a deficient number, since it is larger than the sum of its proper divisors (19208902521).

43220030643 is a wasteful number, since it uses less digits than its factorization.

43220030643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802225633 (or 4802225630 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43220030643 its reverse (34603002234), we get a palindrome (77823032877).

The spelling of 43220030643 in words is "forty-three billion, two hundred twenty million, thirty thousand, six hundred forty-three".