3421240219 has 2 divisors, whose sum is σ = 3421240220. Its totient is φ = 3421240218.

The previous prime is 3421240217. The next prime is 3421240241. The reversal of 3421240219 is 9120421243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3421240219 - 2¹ = 3421240217 is a prime.

It is a super-2 number, since 2×3421240219² = 23409769272206335922, which contains 22 as substring.

Together with 3421240217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3421240217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710620109 + 1710620110.

It is an arithmetic number, because the mean of its divisors is an integer number (1710620110).

Almost surely, 2^3421240219 is an apocalyptic number.

3421240219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421240219 is an equidigital number, since it uses as much as digits as its factorization.

3421240219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3421240219 is about 58491.3687564242. The cubic root of 3421240219 is about 1506.8193534458.

The spelling of 3421240219 in words is "three billion, four hundred twenty-one million, two hundred forty thousand, two hundred nineteen".