8944720201 has 2 divisors, whose sum is σ = 8944720202. Its totient is φ = 8944720200.

The previous prime is 8944720199. The next prime is 8944720247. The reversal of 8944720201 is 1020274498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6076046601 + 2868673600 = 77949^2 + 53560^2 .

It is a cyclic number.

It is not a de Polignac number, because 8944720201 - 2¹ = 8944720199 is a prime.

Together with 8944720199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8944720261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4472360100 + 4472360101.

It is an arithmetic number, because the mean of its divisors is an integer number (4472360101).

Almost surely, 2^8944720201 is an apocalyptic number.

It is an amenable number.

8944720201 is a deficient number, since it is larger than the sum of its proper divisors (1).

8944720201 is an equidigital number, since it uses as much as digits as its factorization.

8944720201 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 37.

The square root of 8944720201 is about 94576.5309207311. The cubic root of 8944720201 is about 2075.8163102415.

Adding to 8944720201 its reverse (1020274498), we get a palindrome (9964994699).

The spelling of 8944720201 in words is "eight billion, nine hundred forty-four million, seven hundred twenty thousand, two hundred one".