6545473452 has 72 divisors (see below), whose sum is σ = 19229683200. Its totient is φ = 1838433888.

The previous prime is 6545473439. The next prime is 6545473453. The reversal of 6545473452 is 2543745456.

6545473452 is a `hidden beast` number, since 6 + 54 + 547 + 3 + 4 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6545473398 and 6545473407.

It is not an unprimeable number, because it can be changed into a prime (6545473453) 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 23 ways as a sum of consecutive naturals, for example, 205252 + ... + 234987.

Almost surely, 2^6545473452 is an apocalyptic number.

It is an amenable number.

6545473452 is an abundant number, since it is smaller than the sum of its proper divisors (12684209748).

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

6545473452 is a wasteful number, since it uses less digits than its factorization.

6545473452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440315 (or 440310 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 45.

The square root of 6545473452 is about 80904.1003410828. The cubic root of 6545473452 is about 1870.5975243614.

The spelling of 6545473452 in words is "six billion, five hundred forty-five million, four hundred seventy-three thousand, four hundred fifty-two".