444661040721713 has 16 divisors (see below), whose sum is σ = 471603320729472. Its totient is φ = 418352940720000.

The previous prime is 444661040721671. The next prime is 444661040721739. The reversal of 444661040721713 is 317127040166444.

It is a cyclic number.

It is not a de Polignac number, because 444661040721713 - 2³⁰ = 444659966979889 is a prime.

It is a super-3 number, since 3×444661040721713³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444661040721113) 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, 270029693 + ... + 271671413.

It is an arithmetic number, because the mean of its divisors is an integer number (29475207545592).

Almost surely, 2^{444661040721713} is an apocalyptic number.

It is an amenable number.

444661040721713 is a deficient number, since it is larger than the sum of its proper divisors (26942280007759).

444661040721713 is a wasteful number, since it uses less digits than its factorization.

444661040721713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834856.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 444661040721713 in words is "four hundred forty-four trillion, six hundred sixty-one billion, forty million, seven hundred twenty-one thousand, seven hundred thirteen".