8643907441 has 16 divisors (see below), whose sum is σ = 9378149760. Its totient is φ = 7919700480.

The previous prime is 8643907439. The next prime is 8643907453. The reversal of 8643907441 is 1447093468.

8643907441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8643907441 - 2¹ = 8643907439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8643907391 and 8643907400.

It is not an unprimeable number, because it can be changed into a prime (8643907411) 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 15 ways as a sum of consecutive naturals, for example, 1966356 + ... + 1970746.

It is an arithmetic number, because the mean of its divisors is an integer number (586134360).

Almost surely, 2^8643907441 is an apocalyptic number.

It is an amenable number.

8643907441 is a deficient number, since it is larger than the sum of its proper divisors (734242319).

8643907441 is a wasteful number, since it uses less digits than its factorization.

8643907441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 8643907441 is about 92972.6166190884. The cubic root of 8643907441 is about 2052.2804241194.

The spelling of 8643907441 in words is "eight billion, six hundred forty-three million, nine hundred seven thousand, four hundred forty-one".