4409843649 has 4 divisors (see below), whose sum is σ = 5879791536. Its totient is φ = 2939895764.

The previous prime is 4409843591. The next prime is 4409843657. The reversal of 4409843649 is 9463489044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4409843649 - 2⁸ = 4409843393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4409843689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734973939 + ... + 734973944.

It is an arithmetic number, because the mean of its divisors is an integer number (1469947884).

Almost surely, 2^4409843649 is an apocalyptic number.

It is an amenable number.

4409843649 is a deficient number, since it is larger than the sum of its proper divisors (1469947887).

4409843649 is a wasteful number, since it uses less digits than its factorization.

4409843649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469947886.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The square root of 4409843649 is about 66406.6536500673. The cubic root of 4409843649 is about 1639.8636175751.

The spelling of 4409843649 in words is "four billion, four hundred nine million, eight hundred forty-three thousand, six hundred forty-nine".