9805010650065 has 32 divisors (see below), whose sum is σ = 17431949001600. Its totient is φ = 5229093326400.

The previous prime is 9805010650063. The next prime is 9805010650111. The reversal of 9805010650065 is 5600560105089.

It is a happy number.

9805010650065 is a `hidden beast` number, since 9 + 80 + 5 + 0 + 1 + 0 + 6 + 500 + 65 = 666.

It is not a de Polignac number, because 9805010650065 - 2¹ = 9805010650063 is a prime.

It is a super-2 number, since 2×9805010650065² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9805010650065.

It is not an unprimeable number, because it can be changed into a prime (9805010650063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196115 + ... + 4587015.

It is an arithmetic number, because the mean of its divisors is an integer number (544748406300).

Almost surely, 2^{9805010650065} is an apocalyptic number.

It is an amenable number.

9805010650065 is a deficient number, since it is larger than the sum of its proper divisors (7626938351535).

9805010650065 is a wasteful number, since it uses less digits than its factorization.

9805010650065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412334 (or 3412328 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 9805010650065 in words is "nine trillion, eight hundred five billion, ten million, six hundred fifty thousand, sixty-five".