6557217000563 has 2 divisors, whose sum is σ = 6557217000564. Its totient is φ = 6557217000562.

The previous prime is 6557217000461. The next prime is 6557217000583. The reversal of 6557217000563 is 3650007127556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6557217000563 - 2⁸ = 6557217000307 is a prime.

It is not a weakly prime, because it can be changed into another prime (6557217000583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278608500281 + 3278608500282.

It is an arithmetic number, because the mean of its divisors is an integer number (3278608500282).

Almost surely, 2^{6557217000563} is an apocalyptic number.

6557217000563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6557217000563 is an equidigital number, since it uses as much as digits as its factorization.

6557217000563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 6557217000563 in words is "six trillion, five hundred fifty-seven billion, two hundred seventeen million, five hundred sixty-three", and thus it is an aban number.