8242279369 has 3 divisors (see below), whose sum is σ = 8242370157. Its totient is φ = 8242188582.

The previous prime is 8242279361. The next prime is 8242279403. The reversal of 8242279369 is 9639722428.

The square root of 8242279369 is 90787.

It is a perfect power (a square), and thus also a powerful number.

8242279369 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 8242279369 - 2³ = 8242279361 is a prime.

It is a super-2 number, since 2×8242279369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8242279361) 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 2 ways as a sum of consecutive naturals, for example, 45394 + ... + 136180.

It is an arithmetic number, because the mean of its divisors is an integer number (2747456719).

Almost surely, 2^8242279369 is an apocalyptic number.

8242279369 is the 90787-th square number.

8242279369 is the 45394-th centered octagonal number.

It is an amenable number.

8242279369 is a deficient number, since it is larger than the sum of its proper divisors (90788).

8242279369 is an frugal number, since it uses more digits than its factorization.

8242279369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181574 (or 90787 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The cubic root of 8242279369 is about 2019.9894919069.

The spelling of 8242279369 in words is "eight billion, two hundred forty-two million, two hundred seventy-nine thousand, three hundred sixty-nine".