944444360261 has 2 divisors, whose sum is σ = 944444360262. Its totient is φ = 944444360260.

The previous prime is 944444360257. The next prime is 944444360273. The reversal of 944444360261 is 162063444449.

944444360261 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., 540069191236 + 404375169025 = 734894^2 + 635905^2 .

It is a cyclic number.

It is not a de Polignac number, because 944444360261 - 2² = 944444360257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944444360281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472222180130 + 472222180131.

It is an arithmetic number, because the mean of its divisors is an integer number (472222180131).

Almost surely, 2^944444360261 is an apocalyptic number.

It is an amenable number.

944444360261 is a deficient number, since it is larger than the sum of its proper divisors (1).

944444360261 is an equidigital number, since it uses as much as digits as its factorization.

944444360261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 944444360261 in words is "nine hundred forty-four billion, four hundred forty-four million, three hundred sixty thousand, two hundred sixty-one".