8644091043 has 16 divisors (see below), whose sum is σ = 13275668480. Its totient is φ = 4900585536.

The previous prime is 8644091023. The next prime is 8644091051. The reversal of 8644091043 is 3401904468.

It is a happy number.

8644091043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8644091043 - 2⁸ = 8644090787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8644090992 and 8644091010.

It is not an unprimeable number, because it can be changed into a prime (8644091023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617898 + ... + 1623231.

It is an arithmetic number, because the mean of its divisors is an integer number (829729280).

Almost surely, 2^8644091043 is an apocalyptic number.

8644091043 is a deficient number, since it is larger than the sum of its proper divisors (4631577437).

8644091043 is a wasteful number, since it uses less digits than its factorization.

8644091043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241266.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 8644091043 is about 92973.6040121066. The cubic root of 8644091043 is about 2052.2949545898.

The spelling of 8644091043 in words is "eight billion, six hundred forty-four million, ninety-one thousand, forty-three".