8539238462393 has 8 divisors (see below), whose sum is σ = 8553477423816. Its totient is φ = 8525011161600.

The previous prime is 8539238462333. The next prime is 8539238462479. The reversal of 8539238462393 is 3932648329358.

It can be written as a sum of positive squares in 4 ways, for example, as 1139026831504 + 7400211630889 = 1067252^2 + 2720333^2 .

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 8539238462393 - 2²⁴ = 8539221685177 is a prime.

It is a super-2 number, since 2×8539238462393² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8539238462323) 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, 1448696 + ... + 4379177.

It is an arithmetic number, because the mean of its divisors is an integer number (1069184677977).

Almost surely, 2^{8539238462393} is an apocalyptic number.

It is an amenable number.

8539238462393 is a deficient number, since it is larger than the sum of its proper divisors (14238961423).

8539238462393 is a wasteful number, since it uses less digits than its factorization.

8539238462393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830315.

The product of its digits is 201553920, while the sum is 65.

The spelling of 8539238462393 in words is "eight trillion, five hundred thirty-nine billion, two hundred thirty-eight million, four hundred sixty-two thousand, three hundred ninety-three".