284321853049 has 24 divisors (see below), whose sum is σ = 321111732480. Its totient is φ = 250193227680.

The previous prime is 284321853037. The next prime is 284321853089. The reversal of 284321853049 is 940358123482.

It is a happy number.

It is not a de Polignac number, because 284321853049 - 2¹¹ = 284321851001 is a prime.

It is a super-2 number, since 2×284321853049² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 284321852993 and 284321853011.

It is not an unprimeable number, because it can be changed into a prime (284321853019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667192 + ... + 1006870.

It is an arithmetic number, because the mean of its divisors is an integer number (13379655520).

Almost surely, 2^284321853049 is an apocalyptic number.

It is an amenable number.

284321853049 is a deficient number, since it is larger than the sum of its proper divisors (36789879431).

284321853049 is a wasteful number, since it uses less digits than its factorization.

284321853049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339821 (or 339790 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 284321853049 in words is "two hundred eighty-four billion, three hundred twenty-one million, eight hundred fifty-three thousand, forty-nine".