3410420021 has 2 divisors, whose sum is σ = 3410420022. Its totient is φ = 3410420020.

The previous prime is 3410420003. The next prime is 3410420023. The reversal of 3410420021 is 1200240143.

3410420021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2181917521 + 1228502500 = 46711^2 + 35050^2 .

It is an emirp because it is prime and its reverse (1200240143) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3410420021 is a prime.

It is a Sophie Germain prime.

Together with 3410420023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3410420023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705210010 + 1705210011.

It is an arithmetic number, because the mean of its divisors is an integer number (1705210011).

Almost surely, 2^3410420021 is an apocalyptic number.

It is an amenable number.

3410420021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3410420021 is an equidigital number, since it uses as much as digits as its factorization.

3410420021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3410420021 is about 58398.8015373603. The cubic root of 3410420021 is about 1505.2291599263.

Adding to 3410420021 its reverse (1200240143), we get a palindrome (4610660164).

The spelling of 3410420021 in words is "three billion, four hundred ten million, four hundred twenty thousand, twenty-one".