8919944453 has 8 divisors (see below), whose sum is σ = 10195986240. Its totient is φ = 7644343680.

The previous prime is 8919944443. The next prime is 8919944471. The reversal of 8919944453 is 3544499198.

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

It is a cyclic number.

It is not a de Polignac number, because 8919944453 - 2⁸ = 8919944197 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 (8919944413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65708 + ... + 148853.

It is an arithmetic number, because the mean of its divisors is an integer number (1274498280).

Almost surely, 2^8919944453 is an apocalyptic number.

It is an amenable number.

8919944453 is a deficient number, since it is larger than the sum of its proper divisors (1276041787).

8919944453 is a wasteful number, since it uses less digits than its factorization.

8919944453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220507.

The product of its digits is 5598720, while the sum is 56.

The square root of 8919944453 is about 94445.4575562001. The cubic root of 8919944453 is about 2073.8979547338.

The spelling of 8919944453 in words is "eight billion, nine hundred nineteen million, nine hundred forty-four thousand, four hundred fifty-three".