6565949052 has 24 divisors (see below), whose sum is σ = 16499051856. Its totient is φ = 2020291968.

The previous prime is 6565949051. The next prime is 6565949053. The reversal of 6565949052 is 2509495656.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6565949051) and next prime (6565949053).

It is a super-2 number, since 2×6565949052² = 86223373906919397408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6565948986 and 6565949004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6565949051) 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 7 ways as a sum of consecutive naturals, for example, 21044553 + ... + 21044864.

It is an arithmetic number, because the mean of its divisors is an integer number (687460494).

Almost surely, 2^6565949052 is an apocalyptic number.

It is an amenable number.

6565949052 is an abundant number, since it is smaller than the sum of its proper divisors (9933102804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6565949052 is a wasteful number, since it uses less digits than its factorization.

6565949052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42089437 (or 42089435 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 51.

The square root of 6565949052 is about 81030.5439448607. The cubic root of 6565949052 is about 1872.5460331416.

The spelling of 6565949052 in words is "six billion, five hundred sixty-five million, nine hundred forty-nine thousand, fifty-two".