8242256290489 has 9 divisors (see below), whose sum is σ = 8925087166509. Its totient is φ = 7608202124640.

The previous prime is 8242256290459. The next prime is 8242256290511. The reversal of 8242256290489 is 9840926522428.

The square root of 8242256290489 is 2870933.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5592822957225 + 2649433333264 = 2364915^2 + 1627708^2 .

It is not a de Polignac number, because 8242256290489 - 2⁷ = 8242256290361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8242256290409) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37211709 + ... + 37432549.

Almost surely, 2^{8242256290489} is an apocalyptic number.

8242256290489 is the 2870933-rd square number.

8242256290489 is the 1435467-th centered octagonal number.

It is an amenable number.

8242256290489 is a deficient number, since it is larger than the sum of its proper divisors (682830876020).

8242256290489 is an frugal number, since it uses more digits than its factorization.

8242256290489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441708 (or 220854 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 8242256290489 in words is "eight trillion, two hundred forty-two billion, two hundred fifty-six million, two hundred ninety thousand, four hundred eighty-nine".