8481493943 has 4 divisors (see below), whose sum is σ = 9133916568. Its totient is φ = 7829071320.

The previous prime is 8481493921. The next prime is 8481493973. The reversal of 8481493943 is 3493941848.

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 8481493943 - 2⁸ = 8481493687 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 (8481493913) 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, 326211293 + ... + 326211318.

It is an arithmetic number, because the mean of its divisors is an integer number (2283479142).

Almost surely, 2^8481493943 is an apocalyptic number.

8481493943 is a deficient number, since it is larger than the sum of its proper divisors (652422625).

8481493943 is a wasteful number, since it uses less digits than its factorization.

8481493943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652422624.

The product of its digits is 2985984, while the sum is 53.

The square root of 8481493943 is about 92095.0267006856. The cubic root of 8481493943 is about 2039.3453896555.

The spelling of 8481493943 in words is "eight billion, four hundred eighty-one million, four hundred ninety-three thousand, nine hundred forty-three".