43682254009 has 9 divisors (see below), whose sum is σ = 45246757647. Its totient is φ = 42170117304.

The previous prime is 43682254003. The next prime is 43682254043. The reversal of 43682254009 is 90045228634.

The square root of 43682254009 is 209003.

It is a perfect power (a square), and thus also a powerful number.

43682254009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22905914409 + 20776339600 = 151347^2 + 144140^2 .

It is not a de Polignac number, because 43682254009 - 2²³ = 43673865401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43682254003) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6057484 + ... + 6064690.

Almost surely, 2^43682254009 is an apocalyptic number.

43682254009 is the 209003-rd square number.

43682254009 is the 104502-nd centered octagonal number.

It is an amenable number.

43682254009 is a deficient number, since it is larger than the sum of its proper divisors (1564503638).

43682254009 is an frugal number, since it uses more digits than its factorization.

43682254009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472 (or 7236 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 43682254009 in words is "forty-three billion, six hundred eighty-two million, two hundred fifty-four thousand, nine".