4444436522261 has 2 divisors, whose sum is σ = 4444436522262. Its totient is φ = 4444436522260.

The previous prime is 4444436522233. The next prime is 4444436522377. The reversal of 4444436522261 is 1622256344444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3588395221636 + 856041300625 = 1894306^2 + 925225^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444436522261 - 2³⁸ = 4169558615317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444436722261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222218261130 + 2222218261131.

It is an arithmetic number, because the mean of its divisors is an integer number (2222218261131).

Almost surely, 2^{4444436522261} is an apocalyptic number.

It is an amenable number.

4444436522261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444436522261 is an equidigital number, since it uses as much as digits as its factorization.

4444436522261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4423680, while the sum is 47.

The spelling of 4444436522261 in words is "four trillion, four hundred forty-four billion, four hundred thirty-six million, five hundred twenty-two thousand, two hundred sixty-one".