8642951443 has 4 divisors (see below), whose sum is σ = 9877658800. Its totient is φ = 7408244088.

The previous prime is 8642951437. The next prime is 8642951459. The reversal of 8642951443 is 3441592468.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8642951443 - 2²⁹ = 8106080531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8642951393 and 8642951402.

It is not an unprimeable number, because it can be changed into a prime (8642951543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617353668 + ... + 617353681.

It is an arithmetic number, because the mean of its divisors is an integer number (2469414700).

Almost surely, 2^8642951443 is an apocalyptic number.

8642951443 is a deficient number, since it is larger than the sum of its proper divisors (1234707357).

8642951443 is a wasteful number, since it uses less digits than its factorization.

8642951443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234707356.

The product of its digits is 829440, while the sum is 46.

The square root of 8642951443 is about 92967.4751889068. The cubic root of 8642951443 is about 2052.2047620292.

The spelling of 8642951443 in words is "eight billion, six hundred forty-two million, nine hundred fifty-one thousand, four hundred forty-three".