6492581564671 has 2 divisors, whose sum is σ = 6492581564672. Its totient is φ = 6492581564670.

The previous prime is 6492581564627. The next prime is 6492581564681. The reversal of 6492581564671 is 1764651852946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6492581564671 - 2⁷ = 6492581564543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6492581564681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246290782335 + 3246290782336.

It is an arithmetic number, because the mean of its divisors is an integer number (3246290782336).

Almost surely, 2^{6492581564671} is an apocalyptic number.

6492581564671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6492581564671 is an equidigital number, since it uses as much as digits as its factorization.

6492581564671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 64.

The spelling of 6492581564671 in words is "six trillion, four hundred ninety-two billion, five hundred eighty-one million, five hundred sixty-four thousand, six hundred seventy-one".