842663413089 has 27 divisors (see below), whose sum is σ = 1235889118737. Its totient is φ = 553269726504.

The previous prime is 842663413061. The next prime is 842663413091. The reversal of 842663413089 is 980314366248.

The square root of 842663413089 is 917967.

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

842663413089 is a `hidden beast` number, since 8 + 4 + 266 + 341 + 30 + 8 + 9 = 666.

It is not a de Polignac number, because 842663413089 - 2⁷ = 842663412961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842663413049) 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 26 ways as a sum of consecutive naturals, for example, 184509084 + ... + 184513650.

Almost surely, 2^842663413089 is an apocalyptic number.

842663413089 is the 917967-th square number.

842663413089 is the 458984-th centered octagonal number.

It is an amenable number.

842663413089 is a deficient number, since it is larger than the sum of its proper divisors (393225705648).

842663413089 is an frugal number, since it uses more digits than its factorization.

842663413089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 842663413089 in words is "eight hundred forty-two billion, six hundred sixty-three million, four hundred thirteen thousand, eighty-nine".