43030666021 has 8 divisors (see below), whose sum is σ = 49278066624. Its totient is φ = 36808306080.

The previous prime is 43030666013. The next prime is 43030666037. The reversal of 43030666021 is 12066603034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43030666021 - 2³ = 43030666013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43030666051) 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 7 ways as a sum of consecutive naturals, for example, 6256480 + ... + 6263353.

It is an arithmetic number, because the mean of its divisors is an integer number (6159758328).

Almost surely, 2^43030666021 is an apocalyptic number.

It is an amenable number.

43030666021 is a deficient number, since it is larger than the sum of its proper divisors (6247400603).

43030666021 is a wasteful number, since it uses less digits than its factorization.

43030666021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12520331.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 43030666021 in words is "forty-three billion, thirty million, six hundred sixty-six thousand, twenty-one".