33449849449 has 3 divisors (see below), whose sum is σ = 33450032343. Its totient is φ = 33449666556.

The previous prime is 33449849441. The next prime is 33449849453. The reversal of 33449849449 is 94494894433.

The square root of 33449849449 is 182893.

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., 13606056025 + 19843793424 = 116645^2 + 140868^2 .

It is not a de Polignac number, because 33449849449 - 2³ = 33449849441 is a prime.

It is a super-2 number, since 2×33449849449² (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 (33449849441) 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, 91447 + ... + 274339.

It is an arithmetic number, because the mean of its divisors is an integer number (11150010781).

Almost surely, 2^33449849449 is an apocalyptic number.

33449849449 is the 182893-rd square number.

33449849449 is the 91447-th centered octagonal number.

It is an amenable number.

33449849449 is a deficient number, since it is larger than the sum of its proper divisors (182894).

33449849449 is an frugal number, since it uses more digits than its factorization.

33449849449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365786 (or 182893 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 61.

The spelling of 33449849449 in words is "thirty-three billion, four hundred forty-nine million, eight hundred forty-nine thousand, four hundred forty-nine".