444625440441361 has 2 divisors, whose sum is σ = 444625440441362. Its totient is φ = 444625440441360.

The previous prime is 444625440441341. The next prime is 444625440441421. The reversal of 444625440441361 is 163144044526444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431781137070336 + 12844303371025 = 20779344^2 + 3583895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444625440441361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444625440441299 and 444625440441308.

It is not a weakly prime, because it can be changed into another prime (444625440441341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222312720220680 + 222312720220681.

It is an arithmetic number, because the mean of its divisors is an integer number (222312720220681).

Almost surely, 2^{444625440441361} is an apocalyptic number.

It is an amenable number.

444625440441361 is a deficient number, since it is larger than the sum of its proper divisors (1).

444625440441361 is an equidigital number, since it uses as much as digits as its factorization.

444625440441361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17694720, while the sum is 52.

The spelling of 444625440441361 in words is "four hundred forty-four trillion, six hundred twenty-five billion, four hundred forty million, four hundred forty-one thousand, three hundred sixty-one".