5478848491 has 4 divisors (see below), whose sum is σ = 5612478984. Its totient is φ = 5345218000.

The previous prime is 5478848477. The next prime is 5478848513. The reversal of 5478848491 is 1948488745.

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 5478848491 - 2⁷ = 5478848363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5478848411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66815185 + ... + 66815266.

It is an arithmetic number, because the mean of its divisors is an integer number (1403119746).

Almost surely, 2^5478848491 is an apocalyptic number.

5478848491 is a deficient number, since it is larger than the sum of its proper divisors (133630493).

5478848491 is a wasteful number, since it uses less digits than its factorization.

5478848491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133630492.

The product of its digits is 10321920, while the sum is 58.

The square root of 5478848491 is about 74019.2440585555. The cubic root of 5478848491 is about 1762.9084669772.

The spelling of 5478848491 in words is "five billion, four hundred seventy-eight million, eight hundred forty-eight thousand, four hundred ninety-one".