8944720243 has 8 divisors (see below), whose sum is σ = 8960793296. Its totient is φ = 8928662400.

The previous prime is 8944720201. The next prime is 8944720247. The reversal of 8944720243 is 3420274498.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8944720243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8944720243.

It is not an unprimeable number, because it can be changed into a prime (8944720247) 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, 2011903 + ... + 2016343.

It is an arithmetic number, because the mean of its divisors is an integer number (1120099162).

Almost surely, 2^8944720243 is an apocalyptic number.

8944720243 is a deficient number, since it is larger than the sum of its proper divisors (16073053).

8944720243 is a wasteful number, since it uses less digits than its factorization.

8944720243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605.

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 8944720243 is about 94576.5311427735. The cubic root of 8944720243 is about 2075.8163134905.

The spelling of 8944720243 in words is "eight billion, nine hundred forty-four million, seven hundred twenty thousand, two hundred forty-three".