8444518453 has 4 divisors (see below), whose sum is σ = 9650878240. Its totient is φ = 7238158668.

The previous prime is 8444518447. The next prime is 8444518457. The reversal of 8444518453 is 3548154448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8444518453 - 2⁹ = 8444517941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444518457) 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, 603179883 + ... + 603179896.

It is an arithmetic number, because the mean of its divisors is an integer number (2412719560).

Almost surely, 2^8444518453 is an apocalyptic number.

It is an amenable number.

8444518453 is a deficient number, since it is larger than the sum of its proper divisors (1206359787).

8444518453 is a wasteful number, since it uses less digits than its factorization.

8444518453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206359786.

The product of its digits is 1228800, while the sum is 46.

The square root of 8444518453 is about 91894.0610322561. The cubic root of 8444518453 is about 2036.3775304488.

The spelling of 8444518453 in words is "eight billion, four hundred forty-four million, five hundred eighteen thousand, four hundred fifty-three".