284147903912 has 16 divisors (see below), whose sum is σ = 541807444800. Its totient is φ = 139665918640.

The previous prime is 284147903869. The next prime is 284147903929. The reversal of 284147903912 is 219309741482.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301003664 + ... + 301004607.

It is an arithmetic number, because the mean of its divisors is an integer number (33862965300).

Almost surely, 2^284147903912 is an apocalyptic number.

It is an amenable number.

284147903912 is a deficient number, since it is larger than the sum of its proper divisors (257659540888).

284147903912 is a wasteful number, since it uses less digits than its factorization.

284147903912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602008336 (or 602008332 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 284147903912 in words is "two hundred eighty-four billion, one hundred forty-seven million, nine hundred three thousand, nine hundred twelve".