6548835641 has 2 divisors, whose sum is σ = 6548835642. Its totient is φ = 6548835640.

The previous prime is 6548835637. The next prime is 6548835673. The reversal of 6548835641 is 1465388456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3675875641 + 2872960000 = 60629^2 + 53600^2 .

It is a cyclic number.

It is not a de Polignac number, because 6548835641 - 2² = 6548835637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6548835641.

It is not a weakly prime, because it can be changed into another prime (6548835611) 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 as a sum of consecutive naturals, namely, 3274417820 + 3274417821.

It is an arithmetic number, because the mean of its divisors is an integer number (3274417821).

Almost surely, 2^6548835641 is an apocalyptic number.

It is an amenable number.

6548835641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6548835641 is an equidigital number, since it uses as much as digits as its factorization.

6548835641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 50.

The square root of 6548835641 is about 80924.8765275549. The cubic root of 6548835641 is about 1870.9177571607.

The spelling of 6548835641 in words is "six billion, five hundred forty-eight million, eight hundred thirty-five thousand, six hundred forty-one".