3420344343217 has 2 divisors, whose sum is σ = 3420344343218. Its totient is φ = 3420344343216.

The previous prime is 3420344343211. The next prime is 3420344343263. The reversal of 3420344343217 is 7123434430243.

3420344343217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2423374044961 + 996970298256 = 1556719^2 + 998484^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420344343217 - 2³¹ = 3418196859569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3420344343217.

It is not a weakly prime, because it can be changed into another prime (3420344343211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710172171608 + 1710172171609.

It is an arithmetic number, because the mean of its divisors is an integer number (1710172171609).

Almost surely, 2^{3420344343217} is an apocalyptic number.

It is an amenable number.

3420344343217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420344343217 is an equidigital number, since it uses as much as digits as its factorization.

3420344343217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 40.

The spelling of 3420344343217 in words is "three trillion, four hundred twenty billion, three hundred forty-four million, three hundred forty-three thousand, two hundred seventeen".