6545924564 has 12 divisors (see below), whose sum is σ = 11457134388. Its totient is φ = 3272457600.

The previous prime is 6545924557. The next prime is 6545924587. The reversal of 6545924564 is 4654295456.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3679392964 + 2866531600 = 60658^2 + 53540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96197 + ... + 149484.

It is an arithmetic number, because the mean of its divisors is an integer number (954761199).

Almost surely, 2^6545924564 is an apocalyptic number.

It is an amenable number.

6545924564 is a deficient number, since it is larger than the sum of its proper divisors (4911209824).

6545924564 is a wasteful number, since it uses less digits than its factorization.

6545924564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252346 (or 252344 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 50.

The square root of 6545924564 is about 80906.8882357986. Note that the first 3 decimals coincide. The cubic root of 6545924564 is about 1870.6404970413.

The spelling of 6545924564 in words is "six billion, five hundred forty-five million, nine hundred twenty-four thousand, five hundred sixty-four".