284353474321 has 12 divisors (see below), whose sum is σ = 330798028032. Its totient is φ = 243717183528.

The previous prime is 284353474291. The next prime is 284353474343. The reversal of 284353474321 is 123474353482.

It is not a de Polignac number, because 284353474321 - 2²⁷ = 284219256593 is a prime.

It is a super-2 number, since 2×284353474321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284353471321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715176 + ... + 1039318.

It is an arithmetic number, because the mean of its divisors is an integer number (27566502336).

Almost surely, 2^284353474321 is an apocalyptic number.

It is an amenable number.

284353474321 is a deficient number, since it is larger than the sum of its proper divisors (46444553711).

284353474321 is a wasteful number, since it uses less digits than its factorization.

284353474321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342060 (or 342053 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

The spelling of 284353474321 in words is "two hundred eighty-four billion, three hundred fifty-three million, four hundred seventy-four thousand, three hundred twenty-one".