8643452834 has 32 divisors (see below), whose sum is σ = 13890813120. Its totient is φ = 4019507712.

The previous prime is 8643452819. The next prime is 8643452837. The reversal of 8643452834 is 4382543468.

It is a super-3 number, since 3×8643452834³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8643452837) 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, 987662 + ... + 996374.

It is an arithmetic number, because the mean of its divisors is an integer number (434087910).

Almost surely, 2^8643452834 is an apocalyptic number.

8643452834 is a deficient number, since it is larger than the sum of its proper divisors (5247360286).

8643452834 is a wasteful number, since it uses less digits than its factorization.

8643452834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074.

The product of its digits is 2211840, while the sum is 47.

The square root of 8643452834 is about 92970.1717434146. The cubic root of 8643452834 is about 2052.2444451208.

The spelling of 8643452834 in words is "eight billion, six hundred forty-three million, four hundred fifty-two thousand, eight hundred thirty-four".