6519533468 has 48 divisors (see below), whose sum is σ = 13213912320. Its totient is φ = 2756711424.

The previous prime is 6519533467. The next prime is 6519533477. The reversal of 6519533468 is 8643359156.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6519533467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2366780 + ... + 2369532.

It is an arithmetic number, because the mean of its divisors is an integer number (275289840).

Almost surely, 2^6519533468 is an apocalyptic number.

It is an amenable number.

6519533468 is an abundant number, since it is smaller than the sum of its proper divisors (6694378852).

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

6519533468 is a wasteful number, since it uses less digits than its factorization.

6519533468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3864 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 6519533468 is about 80743.6280334244. The cubic root of 6519533468 is about 1868.1231675088.

The spelling of 6519533468 in words is "six billion, five hundred nineteen million, five hundred thirty-three thousand, four hundred sixty-eight".