8645434383 has 16 divisors (see below), whose sum is σ = 11927149920. Its totient is φ = 5563751424.

The previous prime is 8645434381. The next prime is 8645434403. The reversal of 8645434383 is 3834345468.

It is not a de Polignac number, because 8645434383 - 2¹ = 8645434381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645434381) 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, 755835 + ... + 767187.

It is an arithmetic number, because the mean of its divisors is an integer number (745446870).

Almost surely, 2^8645434383 is an apocalyptic number.

8645434383 is a deficient number, since it is larger than the sum of its proper divisors (3281715537).

8645434383 is a wasteful number, since it uses less digits than its factorization.

8645434383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20138.

The product of its digits is 3317760, while the sum is 48.

The square root of 8645434383 is about 92980.8280399782. The cubic root of 8645434383 is about 2052.4012617804.

The spelling of 8645434383 in words is "eight billion, six hundred forty-five million, four hundred thirty-four thousand, three hundred eighty-three".