10986603489 has 9 divisors (see below), whose sum is σ = 15869992593. Its totient is φ = 7324192692.

The previous prime is 10986603479. The next prime is 10986603497. The reversal of 10986603489 is 98430668901.

The square root of 10986603489 is 104817.

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

10986603489 is a `hidden beast` number, since 10 + 98 + 6 + 60 + 3 + 489 = 666.

10986603489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10986603489 - 2¹³ = 10986595297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10986603469) 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 8 ways as a sum of consecutive naturals, for example, 296982 + ... + 331920.

Almost surely, 2^10986603489 is an apocalyptic number.

10986603489 is the 104817-th square number.

10986603489 is the 52409-th centered octagonal number.

It is an amenable number.

10986603489 is a deficient number, since it is larger than the sum of its proper divisors (4883389104).

10986603489 is an frugal number, since it uses more digits than its factorization.

10986603489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69884 (or 34942 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 10986603489 in words is "ten billion, nine hundred eighty-six million, six hundred three thousand, four hundred eighty-nine".