3420344342209 has 2 divisors, whose sum is σ = 3420344342210. Its totient is φ = 3420344342208.

The previous prime is 3420344342161. The next prime is 3420344342243. The reversal of 3420344342209 is 9022434430243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3401147408400 + 19196933809 = 1844220^2 + 138553^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420344342209 - 2⁷ = 3420344342081 is a prime.

It is a super-2 number, since 2×3420344342209² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3420344342249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710172171104 + 1710172171105.

It is an arithmetic number, because the mean of its divisors is an integer number (1710172171105).

Almost surely, 2^{3420344342209} is an apocalyptic number.

It is an amenable number.

3420344342209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420344342209 is an equidigital number, since it uses as much as digits as its factorization.

3420344342209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 40.

The spelling of 3420344342209 in words is "three trillion, four hundred twenty billion, three hundred forty-four million, three hundred forty-two thousand, two hundred nine".