4449938899 has 4 divisors (see below), whose sum is σ = 5085644464. Its totient is φ = 3814233336.

The previous prime is 4449938861. The next prime is 4449938951. The reversal of 4449938899 is 9988399444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4449938899 - 2⁹ = 4449938387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4449938839) 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, 317852772 + ... + 317852785.

It is an arithmetic number, because the mean of its divisors is an integer number (1271411116).

Almost surely, 2^4449938899 is an apocalyptic number.

4449938899 is a deficient number, since it is larger than the sum of its proper divisors (635705565).

4449938899 is an equidigital number, since it uses as much as digits as its factorization.

4449938899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635705564.

The product of its digits is 80621568, while the sum is 67.

The square root of 4449938899 is about 66707.8623477023. The cubic root of 4449938899 is about 1644.8186283898.

The spelling of 4449938899 in words is "four billion, four hundred forty-nine million, nine hundred thirty-eight thousand, eight hundred ninety-nine".