444160354639 has 4 divisors (see below), whose sum is σ = 454489665256. Its totient is φ = 433831044024.

The previous prime is 444160354567. The next prime is 444160354663. The reversal of 444160354639 is 936453061444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444160354639 - 2¹³ = 444160346447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444160354592 and 444160354601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444160354669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5164655244 + ... + 5164655329.

It is an arithmetic number, because the mean of its divisors is an integer number (113622416314).

Almost surely, 2^444160354639 is an apocalyptic number.

444160354639 is a deficient number, since it is larger than the sum of its proper divisors (10329310617).

444160354639 is a wasteful number, since it uses less digits than its factorization.

444160354639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10329310616.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 444160354639 in words is "four hundred forty-four billion, one hundred sixty million, three hundred fifty-four thousand, six hundred thirty-nine".