33348968689 has 3 divisors (see below), whose sum is σ = 33349151307. Its totient is φ = 33348786072.

The previous prime is 33348968687. The next prime is 33348968707. The reversal of 33348968689 is 98686984333.

It is a happy number.

The square root of 33348968689 is 182617.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 28393935025 + 4955033664 = 168505^2 + 70392^2 .

It is not a de Polignac number, because 33348968689 - 2¹ = 33348968687 is a prime.

It is a super-2 number, since 2×33348968689² (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 (33348968687) 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 2 ways as a sum of consecutive naturals, for example, 91309 + ... + 273925.

It is an arithmetic number, because the mean of its divisors is an integer number (11116383769).

Almost surely, 2^33348968689 is an apocalyptic number.

33348968689 is the 182617-th square number.

33348968689 is the 91309-th centered octagonal number.

It is an amenable number.

33348968689 is a deficient number, since it is larger than the sum of its proper divisors (182618).

33348968689 is an frugal number, since it uses more digits than its factorization.

33348968689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365234 (or 182617 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 67.

The spelling of 33348968689 in words is "thirty-three billion, three hundred forty-eight million, nine hundred sixty-eight thousand, six hundred eighty-nine".