444534360313409 has 2 divisors, whose sum is σ = 444534360313410. Its totient is φ = 444534360313408.

The previous prime is 444534360313399. The next prime is 444534360313447. The reversal of 444534360313409 is 904313063435444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419184676000000 + 25349684313409 = 20474000^2 + 5034847^2 .

It is a cyclic number.

It is not a de Polignac number, because 444534360313409 - 2²⁴ = 444534343536193 is a prime.

It is a super-2 number, since 2×444534360313409² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444534360313709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222267180156704 + 222267180156705.

It is an arithmetic number, because the mean of its divisors is an integer number (222267180156705).

Almost surely, 2^{444534360313409} is an apocalyptic number.

It is an amenable number.

444534360313409 is a deficient number, since it is larger than the sum of its proper divisors (1).

444534360313409 is an equidigital number, since it uses as much as digits as its factorization.

444534360313409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22394880, while the sum is 53.

The spelling of 444534360313409 in words is "four hundred forty-four trillion, five hundred thirty-four billion, three hundred sixty million, three hundred thirteen thousand, four hundred nine".