3249216449 has 8 divisors (see below), whose sum is σ = 3275498688. Its totient is φ = 3222956880.

The previous prime is 3249216437. The next prime is 3249216491. The reversal of 3249216449 is 9446129423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3249216449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3249216419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393764 + ... + 401930.

It is an arithmetic number, because the mean of its divisors is an integer number (409437336).

Almost surely, 2^3249216449 is an apocalyptic number.

It is an amenable number.

3249216449 is a deficient number, since it is larger than the sum of its proper divisors (26282239).

3249216449 is a wasteful number, since it uses less digits than its factorization.

3249216449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335.

The product of its digits is 373248, while the sum is 44.

The square root of 3249216449 is about 57001.8986438171. The cubic root of 3249216449 is about 1481.1289853150.

The spelling of 3249216449 in words is "three billion, two hundred forty-nine million, two hundred sixteen thousand, four hundred forty-nine".