854423738007221 has 8 divisors (see below), whose sum is σ = 894791269820544. Its totient is φ = 814324428997200.

The previous prime is 854423738007199. The next prime is 854423738007289. The reversal of 854423738007221 is 122700837324458.

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

It is not a de Polignac number, because 854423738007221 - 2²² = 854423733812917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854423738009221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67055694305 + ... + 67055707046.

It is an arithmetic number, because the mean of its divisors is an integer number (111848908727568).

Almost surely, 2^{854423738007221} is an apocalyptic number.

It is an amenable number.

854423738007221 is a deficient number, since it is larger than the sum of its proper divisors (40367531813323).

854423738007221 is a wasteful number, since it uses less digits than its factorization.

854423738007221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134111401651.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 854423738007221 in words is "eight hundred fifty-four trillion, four hundred twenty-three billion, seven hundred thirty-eight million, seven thousand, two hundred twenty-one".