4468606849 has 4 divisors (see below), whose sum is σ = 5106979264. Its totient is φ = 3830234436.

The previous prime is 4468606847. The next prime is 4468606853. The reversal of 4468606849 is 9486068644.

It is a happy number.

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 not a de Polignac number, because 4468606849 - 2¹ = 4468606847 is a prime.

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 4468606849.

It is not an unprimeable number, because it can be changed into a prime (4468606847) 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, 319186197 + ... + 319186210.

It is an arithmetic number, because the mean of its divisors is an integer number (1276744816).

Almost surely, 2^4468606849 is an apocalyptic number.

It is an amenable number.

4468606849 is a deficient number, since it is larger than the sum of its proper divisors (638372415).

4468606849 is an equidigital number, since it uses as much as digits as its factorization.

4468606849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638372414.

The product of its (nonzero) digits is 7962624, while the sum is 55.

The square root of 4468606849 is about 66847.6390682573. The cubic root of 4468606849 is about 1647.1154804724.

The spelling of 4468606849 in words is "four billion, four hundred sixty-eight million, six hundred six thousand, eight hundred forty-nine".