844073449547 has 4 divisors (see below), whose sum is σ = 844075948296. Its totient is φ = 844070950800.

The previous prime is 844073449537. The next prime is 844073449633. The reversal of 844073449547 is 745944370448.

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 844073449547 - 2¹⁰ = 844073448523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (844073449537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645329 + ... + 1450722.

It is an arithmetic number, because the mean of its divisors is an integer number (211018987074).

Almost surely, 2^844073449547 is an apocalyptic number.

844073449547 is a deficient number, since it is larger than the sum of its proper divisors (2498749).

844073449547 is a wasteful number, since it uses less digits than its factorization.

844073449547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498748.

The product of its (nonzero) digits is 54190080, while the sum is 59.

The spelling of 844073449547 in words is "eight hundred forty-four billion, seventy-three million, four hundred forty-nine thousand, five hundred forty-seven".