4409507945 has 16 divisors (see below), whose sum is σ = 5339486208. Its totient is φ = 3495623040.

The previous prime is 4409507941. The next prime is 4409507953. The reversal of 4409507945 is 5497059044.

It is not a de Polignac number, because 4409507945 - 2² = 4409507941 is a prime.

It is a Smith number, since the sum of its digits (47) 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 self number, because there is not a number n which added to its sum of digits gives 4409507945.

It is not an unprimeable number, because it can be changed into a prime (4409507941) 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, 591290 + ... + 598700.

It is an arithmetic number, because the mean of its divisors is an integer number (333717888).

Almost surely, 2^4409507945 is an apocalyptic number.

It is an amenable number.

4409507945 is a deficient number, since it is larger than the sum of its proper divisors (929978263).

4409507945 is a wasteful number, since it uses less digits than its factorization.

4409507945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 4409507945 is about 66404.1259636779. The cubic root of 4409507945 is about 1639.8220044031.

The spelling of 4409507945 in words is "four billion, four hundred nine million, five hundred seven thousand, nine hundred forty-five".