3481011221669 has 2 divisors, whose sum is σ = 3481011221670. Its totient is φ = 3481011221668.

The previous prime is 3481011221641. The next prime is 3481011221687. The reversal of 3481011221669 is 9661221101843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3387580129444 + 93431092225 = 1840538^2 + 305665^2 .

It is an emirp because it is prime and its reverse (9661221101843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3481011221669 - 2²⁰ = 3481010173093 is a prime.

It is a super-2 number, since 2×3481011221669² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3481011221629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740505610834 + 1740505610835.

It is an arithmetic number, because the mean of its divisors is an integer number (1740505610835).

Almost surely, 2^{3481011221669} is an apocalyptic number.

It is an amenable number.

3481011221669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481011221669 is an equidigital number, since it uses as much as digits as its factorization.

3481011221669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 3481011221669 in words is "three trillion, four hundred eighty-one billion, eleven million, two hundred twenty-one thousand, six hundred sixty-nine".