3809546664 has 128 divisors (see below), whose sum is σ = 12498969600. Its totient is φ = 937405440.

The previous prime is 3809546647. The next prime is 3809546731. The reversal of 3809546664 is 4666459083.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19137 + ... + 89360.

It is an arithmetic number, because the mean of its divisors is an integer number (97648200).

Almost surely, 2^3809546664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3809546664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249484800).

3809546664 is an abundant number, since it is smaller than the sum of its proper divisors (8689422936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3809546664 is a wasteful number, since it uses less digits than its factorization.

3809546664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108543 (or 108539 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 3809546664 is about 61721.5251269766. The cubic root of 3809546664 is about 1561.7964544542.

The spelling of 3809546664 in words is "three billion, eight hundred nine million, five hundred forty-six thousand, six hundred sixty-four".