3421646613653 has 2 divisors, whose sum is σ = 3421646613654. Its totient is φ = 3421646613652.

The previous prime is 3421646613643. The next prime is 3421646613661. The reversal of 3421646613653 is 3563166461243.

3421646613653 is digitally balanced in base 2, 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., 2547238344049 + 874408269604 = 1596007^2 + 935098^2 .

It is an emirp because it is prime and its reverse (3563166461243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3421646613653 - 2¹⁴ = 3421646597269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421646613643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710823306826 + 1710823306827.

It is an arithmetic number, because the mean of its divisors is an integer number (1710823306827).

Almost surely, 2^{3421646613653} is an apocalyptic number.

It is an amenable number.

3421646613653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421646613653 is an equidigital number, since it uses as much as digits as its factorization.

3421646613653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 50.

The spelling of 3421646613653 in words is "three trillion, four hundred twenty-one billion, six hundred forty-six million, six hundred thirteen thousand, six hundred fifty-three".