33065965812 has 48 divisors (see below), whose sum is σ = 84329021952. Its totient is φ = 10000810080.

The previous prime is 33065965783. The next prime is 33065965831. The reversal of 33065965812 is 21856956033.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 170448 + ... + 308519.

It is an arithmetic number, because the mean of its divisors is an integer number (1756854624).

Almost surely, 2^33065965812 is an apocalyptic number.

It is an amenable number.

33065965812 is an abundant number, since it is smaller than the sum of its proper divisors (51263056140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33065965812 is a wasteful number, since it uses less digits than its factorization.

33065965812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479508 (or 479506 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 33065965812 in words is "thirty-three billion, sixty-five million, nine hundred sixty-five thousand, eight hundred twelve".