3420443417 has 2 divisors, whose sum is σ = 3420443418. Its totient is φ = 3420443416.

The previous prime is 3420443387. The next prime is 3420443431. The reversal of 3420443417 is 7143440243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3162487696 + 257955721 = 56236^2 + 16061^2 .

It is an emirp because it is prime and its reverse (7143440243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3420443417 - 2⁸ = 3420443161 is a prime.

It is not a weakly prime, because it can be changed into another prime (3420443447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710221708 + 1710221709.

It is an arithmetic number, because the mean of its divisors is an integer number (1710221709).

Almost surely, 2^3420443417 is an apocalyptic number.

It is an amenable number.

3420443417 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420443417 is an equidigital number, since it uses as much as digits as its factorization.

3420443417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 3420443417 is about 58484.5570813356. The cubic root of 3420443417 is about 1506.7023656657.

The spelling of 3420443417 in words is "three billion, four hundred twenty million, four hundred forty-three thousand, four hundred seventeen".