5438724485 has 4 divisors (see below), whose sum is σ = 6526469388. Its totient is φ = 4350979584.

The previous prime is 5438724481. The next prime is 5438724617. The reversal of 5438724485 is 5844278345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1244607841 + 4194116644 = 35279^2 + 64762^2 .

It is a cyclic number.

It is not a de Polignac number, because 5438724485 - 2² = 5438724481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438724481) 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 3 ways as a sum of consecutive naturals, for example, 543872444 + ... + 543872453.

It is an arithmetic number, because the mean of its divisors is an integer number (1631617347).

Almost surely, 2^5438724485 is an apocalyptic number.

It is an amenable number.

5438724485 is a deficient number, since it is larger than the sum of its proper divisors (1087744903).

5438724485 is a wasteful number, since it uses less digits than its factorization.

5438724485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087744902.

The product of its digits is 4300800, while the sum is 50.

The square root of 5438724485 is about 73747.7083372765. The cubic root of 5438724485 is about 1758.5944016923.

The spelling of 5438724485 in words is "five billion, four hundred thirty-eight million, seven hundred twenty-four thousand, four hundred eighty-five".