33481213449 has 8 divisors (see below), whose sum is σ = 44669403840. Its totient is φ = 22306916016.

The previous prime is 33481213417. The next prime is 33481213511. The reversal of 33481213449 is 94431218433.

It is a happy number.

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

It is not a de Polignac number, because 33481213449 - 2⁵ = 33481213417 is a prime.

It is a super-2 number, since 2×33481213449² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33481213449.

It is not an unprimeable number, because it can be changed into a prime (33481213949) 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, 3467614 + ... + 3477255.

It is an arithmetic number, because the mean of its divisors is an integer number (5583675480).

Almost surely, 2^33481213449 is an apocalyptic number.

It is an amenable number.

33481213449 is a deficient number, since it is larger than the sum of its proper divisors (11188190391).

33481213449 is a wasteful number, since it uses less digits than its factorization.

33481213449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946479.

The product of its digits is 248832, while the sum is 42.

The spelling of 33481213449 in words is "thirty-three billion, four hundred eighty-one million, two hundred thirteen thousand, four hundred forty-nine".