6823970226529 has 9 divisors (see below), whose sum is σ = 6858956359857. Its totient is φ = 6789161688804.

The previous prime is 6823970226517. The next prime is 6823970226551. The reversal of 6823970226529 is 9256220793286.

It is a happy number.

The square root of 6823970226529 is 2612273.

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

It is not a de Polignac number, because 6823970226529 - 2⁵ = 6823970226497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6823970226629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 519835764 + ... + 519848890.

Almost surely, 2^{6823970226529} is an apocalyptic number.

6823970226529 is the 2612273-rd square number.

6823970226529 is the 1306137-th centered octagonal number.

It is an amenable number.

6823970226529 is a deficient number, since it is larger than the sum of its proper divisors (34986133328).

6823970226529 is an frugal number, since it uses more digits than its factorization.

6823970226529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26652 (or 13326 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 6823970226529 in words is "six trillion, eight hundred twenty-three billion, nine hundred seventy million, two hundred twenty-six thousand, five hundred twenty-nine".