5563923287209 has 27 divisors (see below), whose sum is σ = 6498914486967. Its totient is φ = 4749560416944.

The previous prime is 5563923287201. The next prime is 5563923287249. The reversal of 5563923287209 is 9027823293655.

It is a happy number.

The square root of 5563923287209 is 2358797.

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., 311447705625 + 5252475581584 = 558075^2 + 2291828^2 .

It is not a de Polignac number, because 5563923287209 - 2³ = 5563923287201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5563923287201) 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, 5234170012 + ... + 5234171074.

Almost surely, 2^{5563923287209} is an apocalyptic number.

5563923287209 is the 2358797-th square number.

5563923287209 is the 1179399-th centered octagonal number.

It is an amenable number.

5563923287209 is a deficient number, since it is larger than the sum of its proper divisors (934991199758).

5563923287209 is an frugal number, since it uses more digits than its factorization.

5563923287209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 5563923287209 in words is "five trillion, five hundred sixty-three billion, nine hundred twenty-three million, two hundred eighty-seven thousand, two hundred nine".