8489490438266 has 8 divisors (see below), whose sum is σ = 12734249748660. Its totient is φ = 4244740522048.

The previous prime is 8489490438241. The next prime is 8489490438287. The reversal of 8489490438266 is 6628340949848.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8447538796225 + 41951642041 = 2906465^2 + 204821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×8489490438266⁴ (a number of 53 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8489490438266.

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, 704450 + ... + 4180338.

Almost surely, 2^{8489490438266} is an apocalyptic number.

8489490438266 is a deficient number, since it is larger than the sum of its proper divisors (4244759310394).

8489490438266 is a wasteful number, since it uses less digits than its factorization.

8489490438266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697088.

The product of its (nonzero) digits is 573308928, while the sum is 71.

The spelling of 8489490438266 in words is "eight trillion, four hundred eighty-nine billion, four hundred ninety million, four hundred thirty-eight thousand, two hundred sixty-six".