286466287849225 has 27 divisors (see below), whose sum is σ = 390447716655829. Its totient is φ = 208338441423200.

The previous prime is 286466287849211. The next prime is 286466287849237. The reversal of 286466287849225 is 522948782664682.

The square root of 286466287849225 is 16925315.

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

It can be written as a sum of positive squares in 4 ways, for example, as 79671994290889 + 206794293558336 = 8925917^2 + 14380344^2 .

It is not a de Polignac number, because 286466287849225 - 2¹¹ = 286466287847177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 930738459 + ... + 931046191.

Almost surely, 2^{286466287849225} is an apocalyptic number.

286466287849225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

286466287849225 is the 16925315-th square number.

286466287849225 is the 8462658-th centered octagonal number.

It is an amenable number.

286466287849225 is a deficient number, since it is larger than the sum of its proper divisors (103981428806604).

286466287849225 is an frugal number, since it uses more digits than its factorization.

286466287849225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615498 (or 307749 counting only the distinct ones).

The product of its digits is 8918138880, while the sum is 79.

The spelling of 286466287849225 in words is "two hundred eighty-six trillion, four hundred sixty-six billion, two hundred eighty-seven million, eight hundred forty-nine thousand, two hundred twenty-five".