43630000561 has 8 divisors (see below), whose sum is σ = 52487218880. Its totient is φ = 35428872528.

The previous prime is 43630000553. The next prime is 43630000567. The reversal of 43630000561 is 16500003634.

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

It is not a de Polignac number, because 43630000561 - 2³ = 43630000553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43630000567) 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, 164022426 + ... + 164022691.

It is an arithmetic number, because the mean of its divisors is an integer number (6560902360).

Almost surely, 2^43630000561 is an apocalyptic number.

It is an amenable number.

43630000561 is a deficient number, since it is larger than the sum of its proper divisors (8857218319).

43630000561 is a wasteful number, since it uses less digits than its factorization.

43630000561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328045143.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 43630000561 in words is "forty-three billion, six hundred thirty million, five hundred sixty-one", and thus it is an aban number.