5189721385216 has 27 divisors (see below), whose sum is σ = 10359243178473. Its totient is φ = 2594842467840.

The previous prime is 5189721385213. The next prime is 5189721385229. The reversal of 5189721385216 is 6125831279815.

The square root of 5189721385216 is 2278096.

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., 2695848745216 + 2493872640000 = 1641904^2 + 1579200^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5189721385213) 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, 36378346 + ... + 36520726.

Almost surely, 2^{5189721385216} is an apocalyptic number.

5189721385216 is the 2278096-th square number.

It is an amenable number.

5189721385216 is a deficient number, since it is larger than the sum of its proper divisors (5169521793257).

5189721385216 is an frugal number, since it uses more digits than its factorization.

5189721385216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284778 (or 142383 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 58.

The spelling of 5189721385216 in words is "five trillion, one hundred eighty-nine billion, seven hundred twenty-one million, three hundred eighty-five thousand, two hundred sixteen".