848073389521 has 4 divisors (see below), whose sum is σ = 857602304100. Its totient is φ = 838544474944.

The previous prime is 848073389491. The next prime is 848073389539. The reversal of 848073389521 is 125983370848.

It is a happy number.

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 288008248896 + 560065140625 = 536664^2 + 748375^2 .

It is a cyclic number.

It is not a de Polignac number, because 848073389521 - 2³¹ = 845925905873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (848073387521) 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, 4764457156 + ... + 4764457333.

It is an arithmetic number, because the mean of its divisors is an integer number (214400576025).

Almost surely, 2^848073389521 is an apocalyptic number.

It is an amenable number.

848073389521 is a deficient number, since it is larger than the sum of its proper divisors (9528914579).

848073389521 is an equidigital number, since it uses as much as digits as its factorization.

848073389521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9528914578.

The product of its (nonzero) digits is 11612160, while the sum is 58.

It can be divided in two parts, 848073 and 389521, that multiplied together give a palindrome (330342243033).

The spelling of 848073389521 in words is "eight hundred forty-eight billion, seventy-three million, three hundred eighty-nine thousand, five hundred twenty-one".