4449093091 has 4 divisors (see below), whose sum is σ = 4464814552. Its totient is φ = 4433371632.

The previous prime is 4449093079. The next prime is 4449093107. The reversal of 4449093091 is 1903909444.

It is a happy number.

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 4449093091 - 2²³ = 4440704483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4449093191) 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, 7860306 + ... + 7860871.

It is an arithmetic number, because the mean of its divisors is an integer number (1116203638).

Almost surely, 2^4449093091 is an apocalyptic number.

4449093091 is a deficient number, since it is larger than the sum of its proper divisors (15721461).

4449093091 is a wasteful number, since it uses less digits than its factorization.

4449093091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15721460.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 4449093091 is about 66701.5224039152. The cubic root of 4449093091 is about 1644.7144105614.

The spelling of 4449093091 in words is "four billion, four hundred forty-nine million, ninety-three thousand, ninety-one".