5549967970569 has 27 divisors (see below), whose sum is σ = 8811780569319. Its totient is φ = 3363569835120.

The previous prime is 5549967970523. The next prime is 5549967970571. The reversal of 5549967970569 is 9650797699455.

The square root of 5549967970569 is 2355837.

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

5549967970569 is a `hidden beast` number, since 5 + 5 + 49 + 9 + 6 + 7 + 9 + 7 + 0 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5518914482169 + 31053488400 = 2349237^2 + 176220^2 .

It is not a de Polignac number, because 5549967970569 - 2²³ = 5549959581961 is a prime.

It is a super-2 number, since 2×5549967970569² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5549967970579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 77706927 + ... + 77778315.

Almost surely, 2^{5549967970569} is an apocalyptic number.

5549967970569 is the 2355837-th square number.

5549967970569 is the 1177919-th centered octagonal number.

It is an amenable number.

5549967970569 is a deficient number, since it is larger than the sum of its proper divisors (3261812598750).

5549967970569 is an frugal number, since it uses more digits than its factorization.

5549967970569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142806 (or 71403 counting only the distinct ones).

The product of its (nonzero) digits is 5786802000, while the sum is 81.

Multiplying 5549967970569 by its sum of digits (81), we get a square (449547405616089 = 21202533²).

The spelling of 5549967970569 in words is "five trillion, five hundred forty-nine billion, nine hundred sixty-seven million, nine hundred seventy thousand, five hundred sixty-nine".