5378416321 has 8 divisors (see below), whose sum is σ = 5444916840. Its totient is φ = 5312227968.

The previous prime is 5378416313. The next prime is 5378416339. The reversal of 5378416321 is 1236148735.

It can be written as a sum of positive squares in 4 ways, for example, as 87890625 + 5290525696 = 9375^2 + 72736^2 .

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 5378416321 - 2³ = 5378416313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5378416391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43276 + ... + 112381.

It is an arithmetic number, because the mean of its divisors is an integer number (680614605).

Almost surely, 2^5378416321 is an apocalyptic number.

It is an amenable number.

5378416321 is a deficient number, since it is larger than the sum of its proper divisors (66500519).

5378416321 is a wasteful number, since it uses less digits than its factorization.

5378416321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156083.

The product of its digits is 120960, while the sum is 40.

The square root of 5378416321 is about 73337.6869078920. The cubic root of 5378416321 is about 1752.0700750773.

The spelling of 5378416321 in words is "five billion, three hundred seventy-eight million, four hundred sixteen thousand, three hundred twenty-one".