43575625643 has 4 divisors (see below), whose sum is σ = 47537046168. Its totient is φ = 39614205120.

The previous prime is 43575625631. The next prime is 43575625661. The reversal of 43575625643 is 34652657534.

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

It is a cyclic number.

It is not a de Polignac number, because 43575625643 - 2¹² = 43575621547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43575625591 and 43575625600.

It is not an unprimeable number, because it can be changed into a prime (43575625843) by changing a digit.

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, 1980710246 + ... + 1980710267.

It is an arithmetic number, because the mean of its divisors is an integer number (11884261542).

Almost surely, 2^43575625643 is an apocalyptic number.

43575625643 is a deficient number, since it is larger than the sum of its proper divisors (3961420525).

43575625643 is a wasteful number, since it uses less digits than its factorization.

43575625643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961420524.

The product of its digits is 9072000, while the sum is 50.

The spelling of 43575625643 in words is "forty-three billion, five hundred seventy-five million, six hundred twenty-five thousand, six hundred forty-three".