201044322449 has 2 divisors, whose sum is σ = 201044322450. Its totient is φ = 201044322448.

The previous prime is 201044322433. The next prime is 201044322473. The reversal of 201044322449 is 944223440102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148431431824 + 52612890625 = 385268^2 + 229375^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044322449 - 2⁴ = 201044322433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201044321449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522161224 + 100522161225.

It is an arithmetic number, because the mean of its divisors is an integer number (100522161225).

Almost surely, 2^201044322449 is an apocalyptic number.

It is an amenable number.

201044322449 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044322449 is an equidigital number, since it uses as much as digits as its factorization.

201044322449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 201044322449 in words is "two hundred one billion, forty-four million, three hundred twenty-two thousand, four hundred forty-nine".