8444853324485 has 4 divisors (see below), whose sum is σ = 10133823989388. Its totient is φ = 6755882659584.

The previous prime is 8444853324431. The next prime is 8444853324571. The reversal of 8444853324485 is 5844233584448.

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 883227799204 + 7561625525281 = 939802^2 + 2749841^2 .

It is a cyclic number.

It is not a de Polignac number, because 8444853324485 - 2⁶ = 8444853324421 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 844485332444 + ... + 844485332453.

It is an arithmetic number, because the mean of its divisors is an integer number (2533455997347).

Almost surely, 2^{8444853324485} is an apocalyptic number.

It is an amenable number.

8444853324485 is a deficient number, since it is larger than the sum of its proper divisors (1688970664903).

8444853324485 is a wasteful number, since it uses less digits than its factorization.

8444853324485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688970664902.

The product of its digits is 235929600, while the sum is 62.

The spelling of 8444853324485 in words is "eight trillion, four hundred forty-four billion, eight hundred fifty-three million, three hundred twenty-four thousand, four hundred eighty-five".