444444468888857 has 2 divisors, whose sum is σ = 444444468888858. Its totient is φ = 444444468888856.

The previous prime is 444444468888851. The next prime is 444444468888863. The reversal of 444444468888857 is 758888864444444.

It is a balanced prime because it is at equal distance from previous prime (444444468888851) and next prime (444444468888863).

It can be written as a sum of positive squares in only one way, i.e., 436383576921616 + 8060891967241 = 20889796^2 + 2839171^2 .

It is a cyclic number.

It is not a de Polignac number, because 444444468888857 - 2⁴ = 444444468888841 is a prime.

It is not a weakly prime, because it can be changed into another prime (444444468888851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222222234444428 + 222222234444429.

It is an arithmetic number, because the mean of its divisors is an integer number (222222234444429).

Almost surely, 2^{444444468888857} is an apocalyptic number.

It is an amenable number.

444444468888857 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444468888857 is an equidigital number, since it uses as much as digits as its factorization.

444444468888857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112742891520, while the sum is 86.

The spelling of 444444468888857 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred fifty-seven".