3329939821 has 16 divisors (see below), whose sum is σ = 3801772800. Its totient is φ = 2889370368.

The previous prime is 3329939813. The next prime is 3329939857. The reversal of 3329939821 is 1289399233.

It is a cyclic number.

It is not a de Polignac number, because 3329939821 - 2³ = 3329939813 is a prime.

It is a super-2 number, since 2×3329939821² = 22176998422963024082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3329939861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176440 + ... + 194398.

It is an arithmetic number, because the mean of its divisors is an integer number (237610800).

Almost surely, 2^3329939821 is an apocalyptic number.

It is an amenable number.

3329939821 is a deficient number, since it is larger than the sum of its proper divisors (471832979).

3329939821 is a wasteful number, since it uses less digits than its factorization.

3329939821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18828.

The product of its digits is 629856, while the sum is 49.

The square root of 3329939821 is about 57705.6307564522. The cubic root of 3329939821 is about 1493.2944866540.

The spelling of 3329939821 in words is "three billion, three hundred twenty-nine million, nine hundred thirty-nine thousand, eight hundred twenty-one".