444534612366543 has 16 divisors (see below), whose sum is σ = 593204225241600. Its totient is φ = 296110720244480.

The previous prime is 444534612366541. The next prime is 444534612366557. The reversal of 444534612366543 is 345663216435444.

It is a cyclic number.

It is not a de Polignac number, because 444534612366543 - 2¹ = 444534612366541 is a prime.

It is a super-2 number, since 2×444534612366543² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444534612366541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107353738 + ... + 111417656.

It is an arithmetic number, because the mean of its divisors is an integer number (37075264077600).

Almost surely, 2^{444534612366543} is an apocalyptic number.

444534612366543 is a deficient number, since it is larger than the sum of its proper divisors (148669612875057).

444534612366543 is a wasteful number, since it uses less digits than its factorization.

444534612366543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094142.

The product of its digits is 298598400, while the sum is 60.

The spelling of 444534612366543 in words is "four hundred forty-four trillion, five hundred thirty-four billion, six hundred twelve million, three hundred sixty-six thousand, five hundred forty-three".