3214549809 has 9 divisors (see below), whose sum is σ = 4643484313. Its totient is φ = 2142919812.

The previous prime is 3214549787. The next prime is 3214549813. The reversal of 3214549809 is 9089454123.

The square root of 3214549809 is 56697.

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

3214549809 is a `hidden beast` number, since 3 + 21 + 4 + 549 + 80 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3214549809 - 2⁹ = 3214549297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3214549829) 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 8 ways as a sum of consecutive naturals, for example, 160642 + ... + 179540.

Almost surely, 2^3214549809 is an apocalyptic number.

3214549809 is the 56697-th square number.

3214549809 is the 28349-th centered octagonal number.

It is an amenable number.

3214549809 is a deficient number, since it is larger than the sum of its proper divisors (1428934504).

3214549809 is an frugal number, since it uses more digits than its factorization.

3214549809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37804 (or 18902 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The cubic root of 3214549809 is about 1475.8426377833.

The spelling of 3214549809 in words is "three billion, two hundred fourteen million, five hundred forty-nine thousand, eight hundred nine".