3421290326161 has 2 divisors, whose sum is σ = 3421290326162. Its totient is φ = 3421290326160.

The previous prime is 3421290326149. The next prime is 3421290326249. The reversal of 3421290326161 is 1616230921243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3169311425536 + 251978900625 = 1780256^2 + 501975^2 .

It is an emirp because it is prime and its reverse (1616230921243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3421290326161 - 2³⁵ = 3386930587793 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421290324161) 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, 1710645163080 + 1710645163081.

It is an arithmetic number, because the mean of its divisors is an integer number (1710645163081).

Almost surely, 2^{3421290326161} is an apocalyptic number.

It is an amenable number.

3421290326161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421290326161 is an equidigital number, since it uses as much as digits as its factorization.

3421290326161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 3421290326161 in words is "three trillion, four hundred twenty-one billion, two hundred ninety million, three hundred twenty-six thousand, one hundred sixty-one".