2648327606647 has 2 divisors, whose sum is σ = 2648327606648. Its totient is φ = 2648327606646.

The previous prime is 2648327606641. The next prime is 2648327606657. The reversal of 2648327606647 is 7466067238462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2648327606647 is a prime.

It is a super-2 number, since 2×2648327606647² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648327606641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324163803323 + 1324163803324.

It is an arithmetic number, because the mean of its divisors is an integer number (1324163803324).

Almost surely, 2^{2648327606647} is an apocalyptic number.

2648327606647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648327606647 is an equidigital number, since it uses as much as digits as its factorization.

2648327606647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 61.

The spelling of 2648327606647 in words is "two trillion, six hundred forty-eight billion, three hundred twenty-seven million, six hundred six thousand, six hundred forty-seven".