6557469279043 has 2 divisors, whose sum is σ = 6557469279044. Its totient is φ = 6557469279042.

The previous prime is 6557469278909. The next prime is 6557469279061. The reversal of 6557469279043 is 3409729647556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6557469279043 - 2²¹ = 6557467181891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6557469279043.

It is not a weakly prime, because it can be changed into another prime (6557469279343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278734639521 + 3278734639522.

It is an arithmetic number, because the mean of its divisors is an integer number (3278734639522).

Almost surely, 2^{6557469279043} is an apocalyptic number.

6557469279043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6557469279043 is an equidigital number, since it uses as much as digits as its factorization.

6557469279043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 342921600, while the sum is 67.

The spelling of 6557469279043 in words is "six trillion, five hundred fifty-seven billion, four hundred sixty-nine million, two hundred seventy-nine thousand, forty-three".