3809403648 has 72 divisors (see below), whose sum is σ = 11265097200. Its totient is φ = 1269798912.

The previous prime is 3809403629. The next prime is 3809403671. The reversal of 3809403648 is 8463049083.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268653 + ... + 282476.

Almost surely, 2^3809403648 is an apocalyptic number.

It is an amenable number.

3809403648 is an abundant number, since it is smaller than the sum of its proper divisors (7455693552).

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

3809403648 is an equidigital number, since it uses as much as digits as its factorization.

3809403648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551154 (or 551134 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3809403648 is about 61720.3665575635. The cubic root of 3809403648 is about 1561.7769101622.

The spelling of 3809403648 in words is "three billion, eight hundred nine million, four hundred three thousand, six hundred forty-eight".