8339481249856 has 21 divisors (see below), whose sum is σ = 16548703949389. Its totient is φ = 4169729073664.

The previous prime is 8339481249851. The next prime is 8339481249907. The reversal of 8339481249856 is 6589421849338.

The square root of 8339481249856 is 2887816.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1664409614400 + 6675071635456 = 1290120^2 + 2583616^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8339481249851) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 22922040 + ... + 23283016.

Almost surely, 2^{8339481249856} is an apocalyptic number.

8339481249856 is the 2887816-th square number.

It is an amenable number.

8339481249856 is a deficient number, since it is larger than the sum of its proper divisors (8209222699533).

8339481249856 is an frugal number, since it uses more digits than its factorization.

8339481249856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721966 (or 360979 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 70.

The spelling of 8339481249856 in words is "eight trillion, three hundred thirty-nine billion, four hundred eighty-one million, two hundred forty-nine thousand, eight hundred fifty-six".