5989820602921 has 27 divisors (see below), whose sum is σ = 6138909401989. Its totient is φ = 5844339150848.

The previous prime is 5989820602847. The next prime is 5989820602943. The reversal of 5989820602921 is 1292060289895.

The square root of 5989820602921 is 2447411.

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

It can be written as a sum of positive squares in 4 ways, for example, as 624408138025 + 5365412464896 = 790195^2 + 2316336^2 .

It is not a de Polignac number, because 5989820602921 - 2⁷ = 5989820602793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5989820602921.

It is not an unprimeable number, because it can be changed into a prime (5989820672921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23306694825 + ... + 23306695081.

Almost surely, 2^{5989820602921} is an apocalyptic number.

5989820602921 is the 2447411-st square number.

5989820602921 is the 1223706-th centered octagonal number.

It is an amenable number.

5989820602921 is a deficient number, since it is larger than the sum of its proper divisors (149088799068).

5989820602921 is an frugal number, since it uses more digits than its factorization.

5989820602921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 5989820602921 in words is "five trillion, nine hundred eighty-nine billion, eight hundred twenty million, six hundred two thousand, nine hundred twenty-one".