8033106721 has 2 divisors, whose sum is σ = 8033106722. Its totient is φ = 8033106720.

The previous prime is 8033106649. The next prime is 8033106737. The reversal of 8033106721 is 1276013308.

8033106721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4395690000 + 3637416721 = 66300^2 + 60311^2 .

It is a cyclic number.

It is not a de Polignac number, because 8033106721 - 2¹⁷ = 8032975649 is a prime.

It is not a weakly prime, because it can be changed into another prime (8033106761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4016553360 + 4016553361.

It is an arithmetic number, because the mean of its divisors is an integer number (4016553361).

Almost surely, 2^8033106721 is an apocalyptic number.

It is an amenable number.

8033106721 is a deficient number, since it is larger than the sum of its proper divisors (1).

8033106721 is an equidigital number, since it uses as much as digits as its factorization.

8033106721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 8033106721 is about 89627.6002189058. The cubic root of 8033106721 is about 2002.7550963959.

The spelling of 8033106721 in words is "eight billion, thirty-three million, one hundred six thousand, seven hundred twenty-one".