5478493365 has 24 divisors (see below), whose sum is σ = 9498175128. Its totient is φ = 2921210880.

The previous prime is 5478493357. The next prime is 5478493369. The reversal of 5478493365 is 5633948745.

5478493365 is a `hidden beast` number, since 54 + 78 + 493 + 36 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52403121 + 5426090244 = 7239^2 + 73662^2 .

It is not a de Polignac number, because 5478493365 - 2³ = 5478493357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478493369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243805 + ... + 265325.

It is an arithmetic number, because the mean of its divisors is an integer number (395757297).

Almost surely, 2^5478493365 is an apocalyptic number.

It is an amenable number.

5478493365 is a deficient number, since it is larger than the sum of its proper divisors (4019681763).

5478493365 is a wasteful number, since it uses less digits than its factorization.

5478493365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27189 (or 27186 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 5478493365 is about 74016.8451435212. The cubic root of 5478493365 is about 1762.8703769685.

The spelling of 5478493365 in words is "five billion, four hundred seventy-eight million, four hundred ninety-three thousand, three hundred sixty-five".