6513976548 has 72 divisors (see below), whose sum is σ = 16581801600. Its totient is φ = 2156097216.

The previous prime is 6513976543. The next prime is 6513976571. The reversal of 6513976548 is 8456793156.

6513976548 is a `hidden beast` number, since 6 + 5 + 1 + 3 + 97 + 6 + 548 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6513976494 and 6513976503.

It is not an unprimeable number, because it can be changed into a prime (6513976541) 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 23 ways as a sum of consecutive naturals, for example, 3810718 + ... + 3812426.

It is an arithmetic number, because the mean of its divisors is an integer number (230302800).

Almost surely, 2^6513976548 is an apocalyptic number.

It is an amenable number.

6513976548 is an abundant number, since it is smaller than the sum of its proper divisors (10067825052).

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

6513976548 is a wasteful number, since it uses less digits than its factorization.

6513976548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401 (or 2396 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 6513976548 is about 80709.2098090422. The cubic root of 6513976548 is about 1867.5922521268.

The spelling of 6513976548 in words is "six billion, five hundred thirteen million, nine hundred seventy-six thousand, five hundred forty-eight".