332489056721 has 2 divisors, whose sum is σ = 332489056722. Its totient is φ = 332489056720.

The previous prime is 332489056717. The next prime is 332489056807. The reversal of 332489056721 is 127650984233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216541315600 + 115947741121 = 465340^2 + 340511^2 .

It is a cyclic number.

It is not a de Polignac number, because 332489056721 - 2² = 332489056717 is a prime.

It is a super-2 number, since 2×332489056721² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 332489056721.

It is not a weakly prime, because it can be changed into another prime (332489056621) 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 as a sum of consecutive naturals, namely, 166244528360 + 166244528361.

It is an arithmetic number, because the mean of its divisors is an integer number (166244528361).

It is a 1-persistent number, because it is pandigital, but 2⋅332489056721 = 664978113442 is not.

Almost surely, 2^332489056721 is an apocalyptic number.

It is an amenable number.

332489056721 is a deficient number, since it is larger than the sum of its proper divisors (1).

332489056721 is an equidigital number, since it uses as much as digits as its factorization.

332489056721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 332489056721 in words is "three hundred thirty-two billion, four hundred eighty-nine million, fifty-six thousand, seven hundred twenty-one".