1706542484409 has 27 divisors (see below), whose sum is σ = 2867501835237. Its totient is φ = 975151457784.

The previous prime is 1706542484401. The next prime is 1706542484441. The reversal of 1706542484409 is 9044842456071.

The square root of 1706542484409 is 1306347.

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

1706542484409 is a `hidden beast` number, since 1 + 70 + 6 + 54 + 2 + 484 + 40 + 9 = 666.

It is not a de Polignac number, because 1706542484409 - 2³ = 1706542484401 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1706542484401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27402184 + ... + 27464390.

Almost surely, 2^{1706542484409} is an apocalyptic number.

1706542484409 is the 1306347-th square number.

1706542484409 is the 653174-th centered octagonal number.

It is an amenable number.

1706542484409 is a deficient number, since it is larger than the sum of its proper divisors (1160959350828).

1706542484409 is an frugal number, since it uses more digits than its factorization.

1706542484409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124434 (or 62217 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 1706542484409 in words is "one trillion, seven hundred six billion, five hundred forty-two million, four hundred eighty-four thousand, four hundred nine".