853350950221 has 32 divisors (see below), whose sum is σ = 1118650300416. Its totient is φ = 631182552000.

The previous prime is 853350950219. The next prime is 853350950327. The reversal of 853350950221 is 122059053358.

It is not a de Polignac number, because 853350950221 - 2¹ = 853350950219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853350950201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1607110 + ... + 2071111.

It is an arithmetic number, because the mean of its divisors is an integer number (34957821888).

Almost surely, 2^853350950221 is an apocalyptic number.

It is an amenable number.

853350950221 is a deficient number, since it is larger than the sum of its proper divisors (265299350195).

853350950221 is a wasteful number, since it uses less digits than its factorization.

853350950221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678393.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 853350950221 in words is "eight hundred fifty-three billion, three hundred fifty million, nine hundred fifty thousand, two hundred twenty-one".