3864563209 has 8 divisors (see below), whose sum is σ = 4258624832. Its totient is φ = 3484328400.

The previous prime is 3864563173. The next prime is 3864563231. The reversal of 3864563209 is 9023654683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3864563209 - 2⁷ = 3864563081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3864567209) 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, 3456117 + ... + 3457234.

It is an arithmetic number, because the mean of its divisors is an integer number (532328104).

Almost surely, 2^3864563209 is an apocalyptic number.

It is an amenable number.

3864563209 is a deficient number, since it is larger than the sum of its proper divisors (394061623).

3864563209 is a wasteful number, since it uses less digits than its factorization.

3864563209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913407.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 3864563209 is about 62165.6111447479. The cubic root of 3864563209 is about 1569.2789106139.

The spelling of 3864563209 in words is "three billion, eight hundred sixty-four million, five hundred sixty-three thousand, two hundred nine".