4449837663 has 6 divisors (see below), whose sum is σ = 6427543304. Its totient is φ = 2966558436.

The previous prime is 4449837649. The next prime is 4449837673. The reversal of 4449837663 is 3667389444.

It is not a de Polignac number, because 4449837663 - 2⁴ = 4449837647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449837673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247213195 + ... + 247213212.

Almost surely, 2^4449837663 is an apocalyptic number.

4449837663 is a deficient number, since it is larger than the sum of its proper divisors (1977705641).

4449837663 is a wasteful number, since it uses less digits than its factorization.

4449837663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494426413 (or 494426410 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The square root of 4449837663 is about 66707.1035422765. The cubic root of 4449837663 is about 1644.8061551009.

The spelling of 4449837663 in words is "four billion, four hundred forty-nine million, eight hundred thirty-seven thousand, six hundred sixty-three".