6557067212243 has 2 divisors, whose sum is σ = 6557067212244. Its totient is φ = 6557067212242.

The previous prime is 6557067212191. The next prime is 6557067212251. The reversal of 6557067212243 is 3422127607556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6557067212243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6557067212191 and 6557067212200.

It is not a weakly prime, because it can be changed into another prime (6557067212273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278533606121 + 3278533606122.

It is an arithmetic number, because the mean of its divisors is an integer number (3278533606122).

Almost surely, 2^{6557067212243} is an apocalyptic number.

6557067212243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6557067212243 is an equidigital number, since it uses as much as digits as its factorization.

6557067212243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 6557067212243 in words is "six trillion, five hundred fifty-seven billion, sixty-seven million, two hundred twelve thousand, two hundred forty-three".