6565829345 has 8 divisors (see below), whose sum is σ = 7879833576. Its totient is φ = 5252104576.

The previous prime is 6565829327. The next prime is 6565829371. The reversal of 6565829345 is 5439285656.

It can be written as a sum of positive squares in 4 ways, for example, as 678029521 + 5887799824 = 26039^2 + 76732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6565829345 - 2²⁰ = 6564780769 is a prime.

It is a super-2 number, since 2×6565829345² = 86220229975326258050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14132 + ... + 115461.

It is an arithmetic number, because the mean of its divisors is an integer number (984979197).

Almost surely, 2^6565829345 is an apocalyptic number.

It is an amenable number.

6565829345 is a deficient number, since it is larger than the sum of its proper divisors (1314004231).

6565829345 is a wasteful number, since it uses less digits than its factorization.

6565829345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139731.

The product of its digits is 7776000, while the sum is 53.

The square root of 6565829345 is about 81029.8052879309. The cubic root of 6565829345 is about 1872.5346533076.

The spelling of 6565829345 in words is "six billion, five hundred sixty-five million, eight hundred twenty-nine thousand, three hundred forty-five".