8647441634 has 16 divisors (see below), whose sum is σ = 14107254840. Its totient is φ = 3951609600.

The previous prime is 8647441619. The next prime is 8647441637. The reversal of 8647441634 is 4361447468.

8647441634 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 4 ways, for example, as 8564577025 + 82864609 = 92545^2 + 9103^2 .

It is not an unprimeable number, because it can be changed into a prime (8647441637) 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, 1643879 + ... + 1649130.

Almost surely, 2^8647441634 is an apocalyptic number.

8647441634 is a deficient number, since it is larger than the sum of its proper divisors (5459813206).

8647441634 is a wasteful number, since it uses less digits than its factorization.

8647441634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293125.

The product of its digits is 1548288, while the sum is 47.

The square root of 8647441634 is about 92991.6213107396. The cubic root of 8647441634 is about 2052.5600880277.

The spelling of 8647441634 in words is "eight billion, six hundred forty-seven million, four hundred forty-one thousand, six hundred thirty-four".