4440919009 has 2 divisors, whose sum is σ = 4440919010. Its totient is φ = 4440919008.

The previous prime is 4440919003. The next prime is 4440919037. The reversal of 4440919009 is 9009190444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2410515409 + 2030403600 = 49097^2 + 45060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4440919009 is a prime.

It is not a weakly prime, because it can be changed into another prime (4440919003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220459504 + 2220459505.

It is an arithmetic number, because the mean of its divisors is an integer number (2220459505).

Almost surely, 2^4440919009 is an apocalyptic number.

It is an amenable number.

4440919009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440919009 is an equidigital number, since it uses as much as digits as its factorization.

4440919009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 4440919009 is about 66640.2206553970. The cubic root of 4440919009 is about 1643.7065443190.

The spelling of 4440919009 in words is "four billion, four hundred forty million, nine hundred nineteen thousand, nine".