4109449864 has 16 divisors (see below), whose sum is σ = 8297927820. Its totient is φ = 1896669120.

The previous prime is 4109449849. The next prime is 4109449909. The reversal of 4109449864 is 4689449014.

4109449864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4092160900 + 17288964 = 63970^2 + 4158^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19756867 + ... + 19757074.

Almost surely, 2^4109449864 is an apocalyptic number.

It is an amenable number.

4109449864 is an abundant number, since it is smaller than the sum of its proper divisors (4188477956).

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

4109449864 is a wasteful number, since it uses less digits than its factorization.

4109449864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39513960 (or 39513956 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 4109449864 is about 64104.9909445435. The cubic root of 4109449864 is about 1601.7493709911.

The spelling of 4109449864 in words is "four billion, one hundred nine million, four hundred forty-nine thousand, eight hundred sixty-four".