6534603226369 has 9 divisors (see below), whose sum is σ = 6562448961411. Its totient is φ = 6506875181280.

The previous prime is 6534603226337. The next prime is 6534603226397. The reversal of 6534603226369 is 9636223064356.

It is a happy number.

The square root of 6534603226369 is 2556287.

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., 4914481560769 + 1620121665600 = 2216863^2 + 1272840^2 .

It is not a de Polignac number, because 6534603226369 - 2⁵ = 6534603226337 is a prime.

It is a super-2 number, since 2×6534603226369² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534603256369) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 616059864 + ... + 616070470.

Almost surely, 2^{6534603226369} is an apocalyptic number.

6534603226369 is the 2556287-th square number.

6534603226369 is the 1278144-th centered octagonal number.

It is an amenable number.

6534603226369 is a deficient number, since it is larger than the sum of its proper divisors (27845735042).

6534603226369 is an frugal number, since it uses more digits than its factorization.

6534603226369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21696 (or 10848 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 55.

The spelling of 6534603226369 in words is "six trillion, five hundred thirty-four billion, six hundred three million, two hundred twenty-six thousand, three hundred sixty-nine".