284273447929 has 9 divisors (see below), whose sum is σ = 286115626629. Its totient is φ = 282443065020.

The previous prime is 284273447917. The next prime is 284273447963. The reversal of 284273447929 is 929744372482.

The square root of 284273447929 is 533173.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 284273447929 - 2¹¹ = 284273445881 is a prime.

It is a super-2 number, since 2×284273447929² (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 (284273747929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 86905564 + ... + 86908834.

It is an arithmetic number, because the mean of its divisors is an integer number (31790625181).

Almost surely, 2^284273447929 is an apocalyptic number.

284273447929 is the 533173-rd square number.

284273447929 is the 266587-th centered octagonal number.

It is an amenable number.

284273447929 is a deficient number, since it is larger than the sum of its proper divisors (1842178700).

284273447929 is an frugal number, since it uses more digits than its factorization.

284273447929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868 (or 3434 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 61.

The spelling of 284273447929 in words is "two hundred eighty-four billion, two hundred seventy-three million, four hundred forty-seven thousand, nine hundred twenty-nine".