6530000641 has 2 divisors, whose sum is σ = 6530000642. Its totient is φ = 6530000640.

The previous prime is 6530000639. The next prime is 6530000663. The reversal of 6530000641 is 1460000356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6393601600 + 136399041 = 79960^2 + 11679^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530000641 - 2¹ = 6530000639 is a prime.

Together with 6530000639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6530000621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265000320 + 3265000321.

It is an arithmetic number, because the mean of its divisors is an integer number (3265000321).

Almost surely, 2^6530000641 is an apocalyptic number.

It is an amenable number.

6530000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530000641 is an equidigital number, since it uses as much as digits as its factorization.

6530000641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6530000641 is about 80808.4193695187. The cubic root of 6530000641 is about 1869.1223961145.

Adding to 6530000641 its reverse (1460000356), we get a palindrome (7990000997).

The spelling of 6530000641 in words is "six billion, five hundred thirty million, six hundred forty-one", and thus it is an aban number.