6923568817 has 12 divisors (see below), whose sum is σ = 7654216500. Its totient is φ = 6257752160.

The previous prime is 6923568793. The next prime is 6923568829. The reversal of 6923568817 is 7188653296.

It can be written as a sum of positive squares in 2 ways, for example, as 2609575056 + 4313993761 = 51084^2 + 65681^2 .

It is not a de Polignac number, because 6923568817 - 2¹⁹ = 6923044529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6923568317) 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 11 ways as a sum of consecutive naturals, for example, 144442 + ... + 186307.

It is an arithmetic number, because the mean of its divisors is an integer number (637851375).

Almost surely, 2^6923568817 is an apocalyptic number.

It is an amenable number.

6923568817 is a deficient number, since it is larger than the sum of its proper divisors (730647683).

6923568817 is a wasteful number, since it uses less digits than its factorization.

6923568817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330944 (or 330933 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 6923568817 is about 83207.9852958837. The cubic root of 6923568817 is about 1905.9434218607.

The spelling of 6923568817 in words is "six billion, nine hundred twenty-three million, five hundred sixty-eight thousand, eight hundred seventeen".