4447493809 has 16 divisors (see below), whose sum is σ = 4961436480. Its totient is φ = 3952584000.

The previous prime is 4447493803. The next prime is 4447493821. The reversal of 4447493809 is 9083947444.

It is a cyclic number.

It is not a de Polignac number, because 4447493809 - 2⁷ = 4447493681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4447493803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98539 + ... + 136399.

It is an arithmetic number, because the mean of its divisors is an integer number (310089780).

Almost surely, 2^4447493809 is an apocalyptic number.

It is an amenable number.

4447493809 is a deficient number, since it is larger than the sum of its proper divisors (513942671).

4447493809 is a wasteful number, since it uses less digits than its factorization.

4447493809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38112.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The square root of 4447493809 is about 66689.5329793214. The cubic root of 4447493809 is about 1644.5173159076.

The spelling of 4447493809 in words is "four billion, four hundred forty-seven million, four hundred ninety-three thousand, eight hundred nine".