17132977449 has 81 divisors (see below), whose sum is σ = 30205597149. Its totient is φ = 9330053040.

The previous prime is 17132977447. The next prime is 17132977457. The reversal of 17132977449 is 94477923171.

It is a happy number.

The square root of 17132977449 is 130893.

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

17132977449 is a `hidden beast` number, since 171 + 3 + 29 + 7 + 7 + 449 = 666.

It is not a de Polignac number, because 17132977449 - 2¹ = 17132977447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17132977395 and 17132977404.

It is not an unprimeable number, because it can be changed into a prime (17132977447) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 63221184 + ... + 63221454.

Almost surely, 2^17132977449 is an apocalyptic number.

17132977449 is the 130893-rd square number.

17132977449 is the 65447-th centered octagonal number.

It is an amenable number.

17132977449 is a deficient number, since it is larger than the sum of its proper divisors (13072619700).

17132977449 is an equidigital number, since it uses as much as digits as its factorization.

17132977449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 304 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The spelling of 17132977449 in words is "seventeen billion, one hundred thirty-two million, nine hundred seventy-seven thousand, four hundred forty-nine".