5868210708721 has 3 divisors (see below), whose sum is σ = 5868213131161. Its totient is φ = 5868208286282.

The previous prime is 5868210708719. The next prime is 5868210708739. The reversal of 5868210708721 is 1278070128685.

The square root of 5868210708721 is 2422439.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5868210708721 - 2¹ = 5868210708719 is a prime.

It is a super-2 number, since 2×5868210708721² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5868210708761) 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, 1211220 + ... + 3633658.

Almost surely, 2^{5868210708721} is an apocalyptic number.

5868210708721 is the 2422439-th square number.

5868210708721 is the 1211220-th centered octagonal number.

It is an amenable number.

5868210708721 is a deficient number, since it is larger than the sum of its proper divisors (2422440).

5868210708721 is an frugal number, since it uses more digits than its factorization.

5868210708721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844878 (or 2422439 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 5868210708721 in words is "five trillion, eight hundred sixty-eight billion, two hundred ten million, seven hundred eight thousand, seven hundred twenty-one".