285516905650 has 12 divisors (see below), whose sum is σ = 531061444602. Its totient is φ = 114206762240.

The previous prime is 285516905627. The next prime is 285516905701. The reversal of 285516905650 is 56509615582.

It can be written as a sum of positive squares in 3 ways, for example, as 182656228689 + 102860676961 = 427383^2 + 320719^2 .

It is a super-3 number, since 3×285516905650³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2855169007 + ... + 2855169106.

Almost surely, 2^285516905650 is an apocalyptic number.

285516905650 is a deficient number, since it is larger than the sum of its proper divisors (245544538952).

285516905650 is a wasteful number, since it uses less digits than its factorization.

285516905650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710338125 (or 5710338120 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 52.

The spelling of 285516905650 in words is "two hundred eighty-five billion, five hundred sixteen million, nine hundred five thousand, six hundred fifty".