6529849268 has 18 divisors (see below), whose sum is σ = 11590485858. Its totient is φ = 3218929840.

The previous prime is 6529849267. The next prime is 6529849307. The reversal of 6529849268 is 8629489256.

It can be written as a sum of positive squares in only one way, i.e., 6459658384 + 70190884 = 80372^2 + 8378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6529849267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141755 + ... + 182082.

It is an arithmetic number, because the mean of its divisors is an integer number (643915881).

Almost surely, 2^6529849268 is an apocalyptic number.

It is an amenable number.

6529849268 is a deficient number, since it is larger than the sum of its proper divisors (5060636590).

6529849268 is a wasteful number, since it uses less digits than its factorization.

6529849268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323983 (or 323910 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The square root of 6529849268 is about 80807.4827475773. The cubic root of 6529849268 is about 1869.1079531934.

The spelling of 6529849268 in words is "six billion, five hundred twenty-nine million, eight hundred forty-nine thousand, two hundred sixty-eight".