284689209412 has 24 divisors (see below), whose sum is σ = 500067818712. Its totient is φ = 141813657600.

The previous prime is 284689209403. The next prime is 284689209437. The reversal of 284689209412 is 214902986482.

It can be written as a sum of positive squares in 4 ways, for example, as 15571046656 + 269118162756 = 124784^2 + 518766^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061578 + ... + 1302430.

It is an arithmetic number, because the mean of its divisors is an integer number (20836159113).

Almost surely, 2^284689209412 is an apocalyptic number.

It is an amenable number.

284689209412 is a deficient number, since it is larger than the sum of its proper divisors (215378609300).

284689209412 is a wasteful number, since it uses less digits than its factorization.

284689209412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241959 (or 241957 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 284689209412 in words is "two hundred eighty-four billion, six hundred eighty-nine million, two hundred nine thousand, four hundred twelve".