3331221030689 has 2 divisors, whose sum is σ = 3331221030690. Its totient is φ = 3331221030688.

The previous prime is 3331221030637. The next prime is 3331221030707. The reversal of 3331221030689 is 9860301221333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1891780176400 + 1439440854289 = 1375420^2 + 1199767^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331221030689 - 2²⁰ = 3331219982113 is a prime.

It is a super-2 number, since 2×3331221030689² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3331221030289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665610515344 + 1665610515345.

It is an arithmetic number, because the mean of its divisors is an integer number (1665610515345).

Almost surely, 2^{3331221030689} is an apocalyptic number.

It is an amenable number.

3331221030689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331221030689 is an equidigital number, since it uses as much as digits as its factorization.

3331221030689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 3331221030689 in words is "three trillion, three hundred thirty-one billion, two hundred twenty-one million, thirty thousand, six hundred eighty-nine".