8483643391 has 4 divisors (see below), whose sum is σ = 8484450112. Its totient is φ = 8482836672.

The previous prime is 8483643367. The next prime is 8483643437. The reversal of 8483643391 is 1933463848.

8483643391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8483643391 - 2²⁷ = 8349425663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8483643341) 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, 387375 + ... + 408688.

It is an arithmetic number, because the mean of its divisors is an integer number (2121112528).

Almost surely, 2^8483643391 is an apocalyptic number.

8483643391 is a deficient number, since it is larger than the sum of its proper divisors (806721).

8483643391 is a wasteful number, since it uses less digits than its factorization.

8483643391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806720.

The product of its digits is 1492992, while the sum is 49.

The square root of 8483643391 is about 92106.6956903786. The cubic root of 8483643391 is about 2039.5176508417.

The spelling of 8483643391 in words is "eight billion, four hundred eighty-three million, six hundred forty-three thousand, three hundred ninety-one".