13094911489 has 27 divisors (see below), whose sum is σ = 14680013187. Its totient is φ = 11672166000.

The previous prime is 13094911463. The next prime is 13094911507. The reversal of 13094911489 is 98411949031.

The square root of 13094911489 is 114433.

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., 12581435889 + 513475600 = 112167^2 + 22660^2 .

It is not a de Polignac number, because 13094911489 - 2⁵ = 13094911457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13094911789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 127135012 + ... + 127135114.

Almost surely, 2^13094911489 is an apocalyptic number.

13094911489 is the 114433-rd square number.

13094911489 is the 57217-th centered octagonal number.

It is an amenable number.

13094911489 is a deficient number, since it is larger than the sum of its proper divisors (1585101698).

13094911489 is an equidigital number, since it uses as much as digits as its factorization.

13094911489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

Multiplying 13094911489 by its sum of digits (49), we get a square (641650662961 = 801031²).

The spelling of 13094911489 in words is "thirteen billion, ninety-four million, nine hundred eleven thousand, four hundred eighty-nine".