6513405472 has 24 divisors (see below), whose sum is σ = 14655162816. Its totient is φ = 2791459392.

The previous prime is 6513405467. The next prime is 6513405473. The reversal of 6513405472 is 2745043156.

It is not an unprimeable number, because it can be changed into a prime (6513405473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14538628 + ... + 14539075.

It is an arithmetic number, because the mean of its divisors is an integer number (610631784).

Almost surely, 2^6513405472 is an apocalyptic number.

It is an amenable number.

6513405472 is an abundant number, since it is smaller than the sum of its proper divisors (8141757344).

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

6513405472 is a wasteful number, since it uses less digits than its factorization.

6513405472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29077720 (or 29077712 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 6513405472 is about 80705.6718700737. The cubic root of 6513405472 is about 1867.5376736742.

The spelling of 6513405472 in words is "six billion, five hundred thirteen million, four hundred five thousand, four hundred seventy-two".