6525635647 has 8 divisors (see below), whose sum is σ = 6993396576. Its totient is φ = 6073211232.

The previous prime is 6525635629. The next prime is 6525635681. The reversal of 6525635647 is 7465365256.

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 6525635647 - 2¹¹ = 6525633599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6525635647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525636647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3833248 + ... + 3834949.

It is an arithmetic number, because the mean of its divisors is an integer number (874174572).

Almost surely, 2^6525635647 is an apocalyptic number.

6525635647 is a deficient number, since it is larger than the sum of its proper divisors (467760929).

6525635647 is a wasteful number, since it uses less digits than its factorization.

6525635647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668257.

The product of its digits is 4536000, while the sum is 49.

The square root of 6525635647 is about 80781.4065673531. The cubic root of 6525635647 is about 1868.7058302226.

The spelling of 6525635647 in words is "six billion, five hundred twenty-five million, six hundred thirty-five thousand, six hundred forty-seven".