6618548243 has 2 divisors, whose sum is σ = 6618548244. Its totient is φ = 6618548242.

The previous prime is 6618548221. The next prime is 6618548249. The reversal of 6618548243 is 3428458166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6618548243 - 2¹⁴ = 6618531859 is a prime.

It is not a weakly prime, because it can be changed into another prime (6618548249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3309274121 + 3309274122.

It is an arithmetic number, because the mean of its divisors is an integer number (3309274122).

Almost surely, 2^6618548243 is an apocalyptic number.

6618548243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6618548243 is an equidigital number, since it uses as much as digits as its factorization.

6618548243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 47.

The square root of 6618548243 is about 81354.4604984877. The cubic root of 6618548243 is about 1877.5330025410.

The spelling of 6618548243 in words is "six billion, six hundred eighteen million, five hundred forty-eight thousand, two hundred forty-three".