6532647643 has 2 divisors, whose sum is σ = 6532647644. Its totient is φ = 6532647642.

The previous prime is 6532647599. The next prime is 6532647661. The reversal of 6532647643 is 3467462356.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6532647643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6532647593 and 6532647602.

It is not a weakly prime, because it can be changed into another prime (6532647743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3266323821 + 3266323822.

It is an arithmetic number, because the mean of its divisors is an integer number (3266323822).

Almost surely, 2^6532647643 is an apocalyptic number.

6532647643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6532647643 is an equidigital number, since it uses as much as digits as its factorization.

6532647643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 46.

The square root of 6532647643 is about 80824.7959663370. The cubic root of 6532647643 is about 1869.3749179046.

The spelling of 6532647643 in words is "six billion, five hundred thirty-two million, six hundred forty-seven thousand, six hundred forty-three".