43824425643 has 6 divisors (see below), whose sum is σ = 63301948164. Its totient is φ = 29216283756.

The previous prime is 43824425621. The next prime is 43824425663. The reversal of 43824425643 is 34652442834.

43824425643 is a `hidden beast` number, since 4 + 3 + 82 + 4 + 4 + 2 + 564 + 3 = 666.

It is not a de Polignac number, because 43824425643 - 2⁸ = 43824425387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43824425663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2434690305 + ... + 2434690322.

It is an arithmetic number, because the mean of its divisors is an integer number (10550324694).

Almost surely, 2^43824425643 is an apocalyptic number.

43824425643 is a deficient number, since it is larger than the sum of its proper divisors (19477522521).

43824425643 is a wasteful number, since it uses less digits than its factorization.

43824425643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869380633 (or 4869380630 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 45.

The spelling of 43824425643 in words is "forty-three billion, eight hundred twenty-four million, four hundred twenty-five thousand, six hundred forty-three".