10329097721 has 2 divisors, whose sum is σ = 10329097722. Its totient is φ = 10329097720.

The previous prime is 10329097693. The next prime is 10329097729. The reversal of 10329097721 is 12779092301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9662890000 + 666207721 = 98300^2 + 25811^2 .

It is a cyclic number.

It is not a de Polignac number, because 10329097721 - 2¹⁴ = 10329081337 is a prime.

It is not a weakly prime, because it can be changed into another prime (10329097729) 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, 5164548860 + 5164548861.

It is an arithmetic number, because the mean of its divisors is an integer number (5164548861).

Almost surely, 2^10329097721 is an apocalyptic number.

It is an amenable number.

10329097721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10329097721 is an equidigital number, since it uses as much as digits as its factorization.

10329097721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The spelling of 10329097721 in words is "ten billion, three hundred twenty-nine million, ninety-seven thousand, seven hundred twenty-one".