4420936309 has 4 divisors (see below), whose sum is σ = 4680991404. Its totient is φ = 4160881216.

The previous prime is 4420936279. The next prime is 4420936313. The reversal of 4420936309 is 9036390244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1385477284 + 3035459025 = 37222^2 + 55095^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420936309 - 2⁹ = 4420935797 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420936369) 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 3 ways as a sum of consecutive naturals, for example, 130027522 + ... + 130027555.

It is an arithmetic number, because the mean of its divisors is an integer number (1170247851).

Almost surely, 2^4420936309 is an apocalyptic number.

It is an amenable number.

4420936309 is a deficient number, since it is larger than the sum of its proper divisors (260055095).

4420936309 is a wasteful number, since it uses less digits than its factorization.

4420936309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260055094.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 4420936309 is about 66490.1218903981. The cubic root of 4420936309 is about 1641.2374545335.

The spelling of 4420936309 in words is "four billion, four hundred twenty million, nine hundred thirty-six thousand, three hundred nine".