4440785539 has 2 divisors, whose sum is σ = 4440785540. Its totient is φ = 4440785538.

The previous prime is 4440785533. The next prime is 4440785549. The reversal of 4440785539 is 9355870444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4440785539 - 2¹³ = 4440777347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4440785492 and 4440785501.

It is not a weakly prime, because it can be changed into another prime (4440785533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220392769 + 2220392770.

It is an arithmetic number, because the mean of its divisors is an integer number (2220392770).

Almost surely, 2^4440785539 is an apocalyptic number.

4440785539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440785539 is an equidigital number, since it uses as much as digits as its factorization.

4440785539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 4440785539 is about 66639.2192256182. The cubic root of 4440785539 is about 1643.6900771786.

The spelling of 4440785539 in words is "four billion, four hundred forty million, seven hundred eighty-five thousand, five hundred thirty-nine".