33144212993 has 8 divisors (see below), whose sum is σ = 33920246976. Its totient is φ = 32368417200.

The previous prime is 33144212963. The next prime is 33144213077. The reversal of 33144212993 is 39921244133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33144212993 - 2⁸ = 33144212737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33144212993.

It is not an unprimeable number, because it can be changed into a prime (33144212923) 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 7 ways as a sum of consecutive naturals, for example, 239363 + ... + 351543.

It is an arithmetic number, because the mean of its divisors is an integer number (4240030872).

Almost surely, 2^33144212993 is an apocalyptic number.

It is an amenable number.

33144212993 is a deficient number, since it is larger than the sum of its proper divisors (776033983).

33144212993 is a wasteful number, since it uses less digits than its factorization.

33144212993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119095.

The product of its digits is 139968, while the sum is 41.

The spelling of 33144212993 in words is "thirty-three billion, one hundred forty-four million, two hundred twelve thousand, nine hundred ninety-three".