4409276809 has 12 divisors (see below), whose sum is σ = 5130691524. Its totient is φ = 3778250784.

The previous prime is 4409276797. The next prime is 4409276813. The reversal of 4409276809 is 9086729044.

It can be written as a sum of positive squares in 2 ways, for example, as 3073593600 + 1335683209 = 55440^2 + 36547^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4409276809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (4409276309) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 180447 + ... + 203419.

It is an arithmetic number, because the mean of its divisors is an integer number (427557627).

Almost surely, 2^4409276809 is an apocalyptic number.

4409276809 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4409276809 is a deficient number, since it is larger than the sum of its proper divisors (721414715).

4409276809 is a wasteful number, since it uses less digits than its factorization.

4409276809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26904 (or 26897 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4409276809 is about 66402.3855670864. The cubic root of 4409276809 is about 1639.7933520360.

The spelling of 4409276809 in words is "four billion, four hundred nine million, two hundred seventy-six thousand, eight hundred nine".