3219868209 has 8 divisors (see below), whose sum is σ = 4310972512. Its totient is φ = 2137671360.

The previous prime is 3219868199. The next prime is 3219868237. The reversal of 3219868209 is 9028689123.

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

It is not a de Polignac number, because 3219868209 - 2⁸ = 3219867953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3219868009) 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 7 ways as a sum of consecutive naturals, for example, 2226019 + ... + 2227464.

It is an arithmetic number, because the mean of its divisors is an integer number (538871564).

Almost surely, 2^3219868209 is an apocalyptic number.

It is an amenable number.

3219868209 is a deficient number, since it is larger than the sum of its proper divisors (1091104303).

3219868209 is a wasteful number, since it uses less digits than its factorization.

3219868209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453727.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 3219868209 is about 56743.8825689607. The cubic root of 3219868209 is about 1476.6561054220.

The spelling of 3219868209 in words is "three billion, two hundred nineteen million, eight hundred sixty-eight thousand, two hundred nine".