4449926369 has 16 divisors (see below), whose sum is σ = 5355166080. Its totient is φ = 3612211200.

The previous prime is 4449926363. The next prime is 4449926381. The reversal of 4449926369 is 9636299444.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4449926369 - 2⁴ = 4449926353 is a prime.

It is a super-3 number, since 3×4449926369³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (56) 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 not an unprimeable number, because it can be changed into a prime (4449926363) 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, 660719 + ... + 667419.

It is an arithmetic number, because the mean of its divisors is an integer number (334697880).

Almost surely, 2^4449926369 is an apocalyptic number.

It is an amenable number.

4449926369 is a deficient number, since it is larger than the sum of its proper divisors (905239711).

4449926369 is a wasteful number, since it uses less digits than its factorization.

4449926369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720.

The product of its digits is 10077696, while the sum is 56.

The square root of 4449926369 is about 66707.7684306708. The cubic root of 4449926369 is about 1644.8170845786.

The spelling of 4449926369 in words is "four billion, four hundred forty-nine million, nine hundred twenty-six thousand, three hundred sixty-nine".