3420421201 has 2 divisors, whose sum is σ = 3420421202. Its totient is φ = 3420421200.

The previous prime is 3420421117. The next prime is 3420421217. The reversal of 3420421201 is 1021240243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2313129025 + 1107292176 = 48095^2 + 33276^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420421201 - 2¹⁹ = 3419896913 is a prime.

It is not a weakly prime, because it can be changed into another prime (3420421231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710210600 + 1710210601.

It is an arithmetic number, because the mean of its divisors is an integer number (1710210601).

Almost surely, 2^3420421201 is an apocalyptic number.

It is an amenable number.

3420421201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420421201 is an equidigital number, since it uses as much as digits as its factorization.

3420421201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3420421201 is about 58484.3671505472. The cubic root of 3420421201 is about 1506.6991036157.

Adding to 3420421201 its reverse (1021240243), we get a palindrome (4441661444).

The spelling of 3420421201 in words is "three billion, four hundred twenty million, four hundred twenty-one thousand, two hundred one".