33865361073 has 12 divisors (see below), whose sum is σ = 50238704308. Its totient is φ = 21966720480.

The previous prime is 33865361029. The next prime is 33865361077. The reversal of 33865361073 is 37016356833.

33865361073 is a `hidden beast` number, since 3 + 3 + 8 + 6 + 536 + 107 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23541378624 + 10323982449 = 153432^2 + 101607^2 .

It is not a de Polignac number, because 33865361073 - 2⁶ = 33865361009 is a prime.

It is a super-2 number, since 2×33865361073² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33865361077) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 50848558 + ... + 50849223.

Almost surely, 2^33865361073 is an apocalyptic number.

It is an amenable number.

33865361073 is a deficient number, since it is larger than the sum of its proper divisors (16373343235).

33865361073 is a wasteful number, since it uses less digits than its factorization.

33865361073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101697824 (or 101697821 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 33865361073 in words is "thirty-three billion, eight hundred sixty-five million, three hundred sixty-one thousand, seventy-three".