44382393786865 has 4 divisors (see below), whose sum is σ = 53258872544244. Its totient is φ = 35505915029488.

The previous prime is 44382393786833. The next prime is 44382393786883. The reversal of 44382393786865 is 56868739328344.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31368243741696 + 13014150045169 = 5600736^2 + 3607513^2 .

It is a cyclic number.

It is not a de Polignac number, because 44382393786865 - 2⁵ = 44382393786833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44382393786791 and 44382393786800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4438239378682 + ... + 4438239378691.

It is an arithmetic number, because the mean of its divisors is an integer number (13314718136061).

Almost surely, 2^{44382393786865} is an apocalyptic number.

It is an amenable number.

44382393786865 is a deficient number, since it is larger than the sum of its proper divisors (8876478757379).

44382393786865 is an equidigital number, since it uses as much as digits as its factorization.

44382393786865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876478757378.

The product of its digits is 5016453120, while the sum is 76.

The spelling of 44382393786865 in words is "forty-four trillion, three hundred eighty-two billion, three hundred ninety-three million, seven hundred eighty-six thousand, eight hundred sixty-five".