444506013065 has 16 divisors (see below), whose sum is σ = 542709849600. Its totient is φ = 349452081792.

The previous prime is 444506013019. The next prime is 444506013079. The reversal of 444506013065 is 560310605444.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444506013065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2991545 + ... + 3136614.

It is an arithmetic number, because the mean of its divisors is an integer number (33919365600).

Almost surely, 2^444506013065 is an apocalyptic number.

It is an amenable number.

444506013065 is a deficient number, since it is larger than the sum of its proper divisors (98203836535).

444506013065 is a wasteful number, since it uses less digits than its factorization.

444506013065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128416.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 444506013065 in words is "four hundred forty-four billion, five hundred six million, thirteen thousand, sixty-five".