44312221361 has 2 divisors, whose sum is σ = 44312221362. Its totient is φ = 44312221360.

The previous prime is 44312221351. The next prime is 44312221379. The reversal of 44312221361 is 16312221344.

44312221361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40172585761 + 4139635600 = 200431^2 + 64340^2 .

It is a cyclic number.

It is not a de Polignac number, because 44312221361 - 2⁶ = 44312221297 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 (44312221351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22156110680 + 22156110681.

It is an arithmetic number, because the mean of its divisors is an integer number (22156110681).

Almost surely, 2^44312221361 is an apocalyptic number.

It is an amenable number.

44312221361 is a deficient number, since it is larger than the sum of its proper divisors (1).

44312221361 is an equidigital number, since it uses as much as digits as its factorization.

44312221361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The spelling of 44312221361 in words is "forty-four billion, three hundred twelve million, two hundred twenty-one thousand, three hundred sixty-one".