5239378313 has 8 divisors (see below), whose sum is σ = 5671051848. Its totient is φ = 4811796864.

The previous prime is 5239378297. The next prime is 5239378321. The reversal of 5239378313 is 3138739325.

It can be written as a sum of positive squares in 4 ways, for example, as 146700544 + 5092677769 = 12112^2 + 71363^2 .

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 5239378313 - 2⁴ = 5239378297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5239378363) 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, 1020356 + ... + 1025477.

It is an arithmetic number, because the mean of its divisors is an integer number (708881481).

Almost surely, 2^5239378313 is an apocalyptic number.

It is an amenable number.

5239378313 is a deficient number, since it is larger than the sum of its proper divisors (431673535).

5239378313 is a wasteful number, since it uses less digits than its factorization.

5239378313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046043.

The product of its digits is 408240, while the sum is 44.

The square root of 5239378313 is about 72383.5500165611. The cubic root of 5239378313 is about 1736.8404273801.

The spelling of 5239378313 in words is "five billion, two hundred thirty-nine million, three hundred seventy-eight thousand, three hundred thirteen".