847594559641 has 12 divisors (see below), whose sum is σ = 881990232420. Its totient is φ = 814311096480.

The previous prime is 847594559573. The next prime is 847594559759. The reversal of 847594559641 is 146955495748.

It can be written as a sum of positive squares in 2 ways, for example, as 458842309641 + 388752250000 = 677379^2 + 623500^2 .

It is not a de Polignac number, because 847594559641 - 2²⁵ = 847561005209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (847594550641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3644646 + ... + 3870223.

It is an arithmetic number, because the mean of its divisors is an integer number (73499186035).

Almost surely, 2^847594559641 is an apocalyptic number.

It is an amenable number.

847594559641 is a deficient number, since it is larger than the sum of its proper divisors (34395672779).

847594559641 is an equidigital number, since it uses as much as digits as its factorization.

847594559641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515016 (or 7514973 counting only the distinct ones).

The product of its digits is 217728000, while the sum is 67.

The spelling of 847594559641 in words is "eight hundred forty-seven billion, five hundred ninety-four million, five hundred fifty-nine thousand, six hundred forty-one".