9021144241 has 2 divisors, whose sum is σ = 9021144242. Its totient is φ = 9021144240.

The previous prime is 9021144229. The next prime is 9021144263. The reversal of 9021144241 is 1424411209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7656950016 + 1364194225 = 87504^2 + 36935^2 .

It is a cyclic number.

It is not a de Polignac number, because 9021144241 - 2³¹ = 6873660593 is a prime.

It is not a weakly prime, because it can be changed into another prime (9021114241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4510572120 + 4510572121.

It is an arithmetic number, because the mean of its divisors is an integer number (4510572121).

Almost surely, 2^9021144241 is an apocalyptic number.

It is an amenable number.

9021144241 is a deficient number, since it is larger than the sum of its proper divisors (1).

9021144241 is an equidigital number, since it uses as much as digits as its factorization.

9021144241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 9021144241 is about 94979.7043636165. The cubic root of 9021144241 is about 2081.7115043673.

The spelling of 9021144241 in words is "nine billion, twenty-one million, one hundred forty-four thousand, two hundred forty-one".