4449020849 has 16 divisors (see below), whose sum is σ = 5478036480. Its totient is φ = 3518614080.

The previous prime is 4449020837. The next prime is 4449020861. The reversal of 4449020849 is 9480209444.

4449020849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4449020837) and next prime (4449020861).

It is a cyclic number.

It is not a de Polignac number, because 4449020849 - 2⁴ = 4449020833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4449020749) 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, 238439 + ... + 256419.

It is an arithmetic number, because the mean of its divisors is an integer number (342377280).

Almost surely, 2^4449020849 is an apocalyptic number.

It is an amenable number.

4449020849 is a deficient number, since it is larger than the sum of its proper divisors (1029015631).

4449020849 is a wasteful number, since it uses less digits than its factorization.

4449020849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20720.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 4449020849 is about 66700.9808698493. The cubic root of 4449020849 is about 1644.7055085148.

The spelling of 4449020849 in words is "four billion, four hundred forty-nine million, twenty thousand, eight hundred forty-nine".