9056686981489 has 15 divisors (see below), whose sum is σ = 10565678168907. Its totient is φ = 7762748159376.

The previous prime is 9056686981487. The next prime is 9056686981513. The reversal of 9056686981489 is 9841896866509.

The square root of 9056686981489 is 3009433.

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

It can be written as a sum of positive squares in only one way, i.e., 2858618655025 + 6198068326464 = 1690745^2 + 2489592^2 .

It is not a de Polignac number, because 9056686981489 - 2¹ = 9056686981487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9056686981483) 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 14 ways as a sum of consecutive naturals, for example, 147431509 + ... + 147492925.

Almost surely, 2^{9056686981489} is an apocalyptic number.

9056686981489 is the 3009433-rd square number.

9056686981489 is the 1504717-th centered octagonal number.

It is an amenable number.

9056686981489 is a deficient number, since it is larger than the sum of its proper divisors (1508991187418).

9056686981489 is an frugal number, since it uses more digits than its factorization.

9056686981489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122862 (or 61424 counting only the distinct ones).

The product of its (nonzero) digits is 1612431360, while the sum is 79.

The spelling of 9056686981489 in words is "nine trillion, fifty-six billion, six hundred eighty-six million, nine hundred eighty-one thousand, four hundred eighty-nine".