5989647390721 has 2 divisors, whose sum is σ = 5989647390722. Its totient is φ = 5989647390720.

The previous prime is 5989647390719. The next prime is 5989647390743. The reversal of 5989647390721 is 1270937469895.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4937461761600 + 1052185629121 = 2222040^2 + 1025761^2 .

It is a cyclic number.

It is not a de Polignac number, because 5989647390721 - 2¹ = 5989647390719 is a prime.

Together with 5989647390719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5989647330721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2994823695360 + 2994823695361.

It is an arithmetic number, because the mean of its divisors is an integer number (2994823695361).

It is a 1-persistent number, because it is pandigital, but 2⋅5989647390721 = 11979294781442 is not.

Almost surely, 2^{5989647390721} is an apocalyptic number.

It is an amenable number.

5989647390721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5989647390721 is an equidigital number, since it uses as much as digits as its factorization.

5989647390721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 205752960, while the sum is 70.

The spelling of 5989647390721 in words is "five trillion, nine hundred eighty-nine billion, six hundred forty-seven million, three hundred ninety thousand, seven hundred twenty-one".