854213073721 has 8 divisors (see below), whose sum is σ = 976469164160. Its totient is φ = 732013396128.

The previous prime is 854213073697. The next prime is 854213073731. The reversal of 854213073721 is 127370312458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 854213073721 - 2⁵ = 854213073689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (854213073731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14070756 + ... + 14131333.

It is an arithmetic number, because the mean of its divisors is an integer number (122058645520).

Almost surely, 2^854213073721 is an apocalyptic number.

It is an amenable number.

854213073721 is a deficient number, since it is larger than the sum of its proper divisors (122256090439).

854213073721 is a wasteful number, since it uses less digits than its factorization.

854213073721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28206423.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 854213073721 in words is "eight hundred fifty-four billion, two hundred thirteen million, seventy-three thousand, seven hundred twenty-one".