284321281261 has 16 divisors (see below), whose sum is σ = 298425588480. Its totient is φ = 270563042880.

The previous prime is 284321281249. The next prime is 284321281273. The reversal of 284321281261 is 162182123482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (284321281249) and next prime (284321281273).

It is a cyclic number.

It is not a de Polignac number, because 284321281261 - 2⁷ = 284321281133 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 (284321981261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481171 + ... + 2593231.

It is an arithmetic number, because the mean of its divisors is an integer number (18651599280).

Almost surely, 2^284321281261 is an apocalyptic number.

It is an amenable number.

284321281261 is a deficient number, since it is larger than the sum of its proper divisors (14104307219).

284321281261 is a wasteful number, since it uses less digits than its factorization.

284321281261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113604.

The product of its digits is 73728, while the sum is 40.

The spelling of 284321281261 in words is "two hundred eighty-four billion, three hundred twenty-one million, two hundred eighty-one thousand, two hundred sixty-one".