8289449243 has 4 divisors (see below), whose sum is σ = 8289793608. Its totient is φ = 8289104880.

The previous prime is 8289449239. The next prime is 8289449261. The reversal of 8289449243 is 3429449828.

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 8289449243 - 2² = 8289449239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8289449213) 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, 133121 + ... + 185202.

It is an arithmetic number, because the mean of its divisors is an integer number (2072448402).

Almost surely, 2^8289449243 is an apocalyptic number.

8289449243 is a deficient number, since it is larger than the sum of its proper divisors (344365).

8289449243 is a wasteful number, since it uses less digits than its factorization.

8289449243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344364.

The product of its digits is 3981312, while the sum is 53.

The square root of 8289449243 is about 91046.4125762240. The cubic root of 8289449243 is about 2023.8355744605.

The spelling of 8289449243 in words is "eight billion, two hundred eighty-nine million, four hundred forty-nine thousand, two hundred forty-three".