6525980549 has 8 divisors (see below), whose sum is σ = 7219523520. Its totient is φ = 5849149600.

The previous prime is 6525980491. The next prime is 6525980557. The reversal of 6525980549 is 9450895256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6525980549 - 2¹⁶ = 6525915013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6525980549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525980579) 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 7 ways as a sum of consecutive naturals, for example, 4177184 + ... + 4178745.

It is an arithmetic number, because the mean of its divisors is an integer number (902440440).

Almost surely, 2^6525980549 is an apocalyptic number.

It is an amenable number.

6525980549 is a deficient number, since it is larger than the sum of its proper divisors (693542971).

6525980549 is a wasteful number, since it uses less digits than its factorization.

6525980549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356011.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The square root of 6525980549 is about 80783.5413249506. The cubic root of 6525980549 is about 1868.7387521252.

The spelling of 6525980549 in words is "six billion, five hundred twenty-five million, nine hundred eighty thousand, five hundred forty-nine".