8444491953 has 8 divisors (see below), whose sum is σ = 11275619616. Its totient is φ = 5621512800.

The previous prime is 8444491943. The next prime is 8444491963. The reversal of 8444491953 is 3591944448.

8444491953 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 (8444491943) and next prime (8444491963).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8444491953 - 2⁸ = 8444491697 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8444491896 and 8444491905.

It is not an unprimeable number, because it can be changed into a prime (8444491943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034708 + ... + 2038853.

It is an arithmetic number, because the mean of its divisors is an integer number (1409452452).

Almost surely, 2^8444491953 is an apocalyptic number.

It is an amenable number.

8444491953 is a deficient number, since it is larger than the sum of its proper divisors (2831127663).

8444491953 is a wasteful number, since it uses less digits than its factorization.

8444491953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074255.

The product of its digits is 2488320, while the sum is 51.

The square root of 8444491953 is about 91893.9168443701. The cubic root of 8444491953 is about 2036.3754003071.

The spelling of 8444491953 in words is "eight billion, four hundred forty-four million, four hundred ninety-one thousand, nine hundred fifty-three".