5478203409 has 16 divisors (see below), whose sum is σ = 8617021440. Its totient is φ = 3029420880.

The previous prime is 5478203407. The next prime is 5478203429. The reversal of 5478203409 is 9043028745.

5478203409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5478203409 - 2¹ = 5478203407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5478203407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4206879 + ... + 4208180.

It is an arithmetic number, because the mean of its divisors is an integer number (538563840).

Almost surely, 2^5478203409 is an apocalyptic number.

It is an amenable number.

5478203409 is a deficient number, since it is larger than the sum of its proper divisors (3138818031).

5478203409 is a wasteful number, since it uses less digits than its factorization.

5478203409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415100.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 5478203409 is about 74014.8864013179. The cubic root of 5478203409 is about 1762.8392757255.

The spelling of 5478203409 in words is "five billion, four hundred seventy-eight million, two hundred three thousand, four hundred nine".