873373842521 has 16 divisors (see below), whose sum is σ = 932851728000. Its totient is φ = 814827011328.

The previous prime is 873373842511. The next prime is 873373842541. The reversal of 873373842521 is 125248373378.

873373842521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 873373842521 - 2¹⁴ = 873373826137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873373842511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430166 + ... + 1389888.

It is an arithmetic number, because the mean of its divisors is an integer number (58303233000).

Almost surely, 2^873373842521 is an apocalyptic number.

It is an amenable number.

873373842521 is a deficient number, since it is larger than the sum of its proper divisors (59477885479).

873373842521 is a wasteful number, since it uses less digits than its factorization.

873373842521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960208.

The product of its digits is 6773760, while the sum is 53.

The spelling of 873373842521 in words is "eight hundred seventy-three billion, three hundred seventy-three million, eight hundred forty-two thousand, five hundred twenty-one".