43532066641 has 4 divisors (see below), whose sum is σ = 49750933312. Its totient is φ = 37313199972.

The previous prime is 43532066623. The next prime is 43532066647. The reversal of 43532066641 is 14666023534.

It is a happy number.

43532066641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43532066641 - 2⁵ = 43532066609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43532066594 and 43532066603.

It is not an unprimeable number, because it can be changed into a prime (43532066647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3109433325 + ... + 3109433338.

It is an arithmetic number, because the mean of its divisors is an integer number (12437733328).

Almost surely, 2^43532066641 is an apocalyptic number.

It is an amenable number.

43532066641 is a deficient number, since it is larger than the sum of its proper divisors (6218866671).

43532066641 is an equidigital number, since it uses as much as digits as its factorization.

43532066641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218866670.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 43532066641 in words is "forty-three billion, five hundred thirty-two million, sixty-six thousand, six hundred forty-one".