17139260889 has 45 divisors (see below), whose sum is σ = 26479338249. Its totient is φ = 10682827200.

The previous prime is 17139260881. The next prime is 17139260921. The reversal of 17139260889 is 98806293171.

The square root of 17139260889 is 130917.

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

17139260889 is a `hidden beast` number, since 17 + 13 + 9 + 2 + 608 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5319222489 + 11820038400 = 72933^2 + 108720^2 .

It is not a de Polignac number, because 17139260889 - 2³ = 17139260881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17139260881) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 113504964 + ... + 113505114.

Almost surely, 2^17139260889 is an apocalyptic number.

17139260889 is the 130917-th square number.

17139260889 is the 65459-th centered octagonal number.

It is an amenable number.

17139260889 is a deficient number, since it is larger than the sum of its proper divisors (9340077360).

17139260889 is an frugal number, since it uses more digits than its factorization.

17139260889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 17139260889 in words is "seventeen billion, one hundred thirty-nine million, two hundred sixty thousand, eight hundred eighty-nine".