5478049091 has 8 divisors (see below), whose sum is σ = 5734407168. Its totient is φ = 5226669000.

The previous prime is 5478049039. The next prime is 5478049099. The reversal of 5478049091 is 1909408745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5478049091 - 2¹⁰ = 5478048067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5478049099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242245 + ... + 1246646.

It is an arithmetic number, because the mean of its divisors is an integer number (716800896).

Almost surely, 2^5478049091 is an apocalyptic number.

5478049091 is a deficient number, since it is larger than the sum of its proper divisors (256358077).

5478049091 is a wasteful number, since it uses less digits than its factorization.

5478049091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488993.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 5478049091 is about 74013.8439145002. The cubic root of 5478049091 is about 1762.8227228300.

The spelling of 5478049091 in words is "five billion, four hundred seventy-eight million, forty-nine thousand, ninety-one".