8509348894 has 4 divisors (see below), whose sum is σ = 12764023344. Its totient is φ = 4254674446.

The previous prime is 8509348891. The next prime is 8509348921. The reversal of 8509348894 is 4988439058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4988439058 = 2 ⋅2494219529.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8509348891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127337222 + ... + 2127337225.

It is an arithmetic number, because the mean of its divisors is an integer number (3191005836).

Almost surely, 2^8509348894 is an apocalyptic number.

8509348894 is a deficient number, since it is larger than the sum of its proper divisors (4254674450).

8509348894 is a wasteful number, since it uses less digits than its factorization.

8509348894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254674449.

The product of its (nonzero) digits is 9953280, while the sum is 58.

The square root of 8509348894 is about 92246.1321357161. The cubic root of 8509348894 is about 2041.5754917326.

The spelling of 8509348894 in words is "eight billion, five hundred nine million, three hundred forty-eight thousand, eight hundred ninety-four".