8644430954 has 32 divisors (see below), whose sum is σ = 13852080000. Its totient is φ = 4038600384.

The previous prime is 8644430933. The next prime is 8644430981. The reversal of 8644430954 is 4590344468.

It is a junction number, because it is equal to n+sod(n) for n = 8644430899 and 8644430908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255947 + ... + 287745.

It is an arithmetic number, because the mean of its divisors is an integer number (432877500).

Almost surely, 2^8644430954 is an apocalyptic number.

8644430954 is a deficient number, since it is larger than the sum of its proper divisors (5207649046).

8644430954 is a wasteful number, since it uses less digits than its factorization.

8644430954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31982.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The square root of 8644430954 is about 92975.4319914675. The cubic root of 8644430954 is about 2052.3218549885.

The spelling of 8644430954 in words is "eight billion, six hundred forty-four million, four hundred thirty thousand, nine hundred fifty-four".