6543584853457 has 2 divisors, whose sum is σ = 6543584853458. Its totient is φ = 6543584853456.

The previous prime is 6543584853413. The next prime is 6543584853497. The reversal of 6543584853457 is 7543584853456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6091226377681 + 452358475776 = 2468041^2 + 672576^2 .

It is a cyclic number.

It is not a de Polignac number, because 6543584853457 - 2¹¹ = 6543584851409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6543584853392 and 6543584853401.

It is not a weakly prime, because it can be changed into another prime (6543584853497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271792426728 + 3271792426729.

It is an arithmetic number, because the mean of its divisors is an integer number (3271792426729).

Almost surely, 2^{6543584853457} is an apocalyptic number.

It is an amenable number.

6543584853457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6543584853457 is an equidigital number, since it uses as much as digits as its factorization.

6543584853457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680000, while the sum is 67.

Subtracting 6543584853457 from its reverse (7543584853456), we obtain a palindrome (999999999999).

The spelling of 6543584853457 in words is "six trillion, five hundred forty-three billion, five hundred eighty-four million, eight hundred fifty-three thousand, four hundred fifty-seven".