4945220201 has 2 divisors, whose sum is σ = 4945220202. Its totient is φ = 4945220200.

The previous prime is 4945220191. The next prime is 4945220213. The reversal of 4945220201 is 1020225494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4532520976 + 412699225 = 67324^2 + 20315^2 .

It is a cyclic number.

It is not a de Polignac number, because 4945220201 - 2¹⁴ = 4945203817 is a prime.

It is not a weakly prime, because it can be changed into another prime (4945222201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472610100 + 2472610101.

It is an arithmetic number, because the mean of its divisors is an integer number (2472610101).

Almost surely, 2^4945220201 is an apocalyptic number.

It is an amenable number.

4945220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

4945220201 is an equidigital number, since it uses as much as digits as its factorization.

4945220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 4945220201 is about 70322.2596408847. The cubic root of 4945220201 is about 1703.7081916396.

Adding to 4945220201 its reverse (1020225494), we get a palindrome (5965445695).

The spelling of 4945220201 in words is "four billion, nine hundred forty-five million, two hundred twenty thousand, two hundred one".