4454939823 has 16 divisors (see below), whose sum is σ = 6421537920. Its totient is φ = 2737600416.

The previous prime is 4454939809. The next prime is 4454939831. The reversal of 4454939823 is 3289394544.

It is not a de Polignac number, because 4454939823 - 2⁹ = 4454939311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454939123) 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 15 ways as a sum of consecutive naturals, for example, 1054065 + ... + 1058282.

It is an arithmetic number, because the mean of its divisors is an integer number (401346120).

Almost surely, 2^4454939823 is an apocalyptic number.

4454939823 is a deficient number, since it is larger than the sum of its proper divisors (1966598097).

4454939823 is a wasteful number, since it uses less digits than its factorization.

4454939823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112406.

The product of its digits is 3732480, while the sum is 51.

The square root of 4454939823 is about 66745.3355898373. The cubic root of 4454939823 is about 1645.4345569601.

The spelling of 4454939823 in words is "four billion, four hundred fifty-four million, nine hundred thirty-nine thousand, eight hundred twenty-three".