6554647243 has 2 divisors, whose sum is σ = 6554647244. Its totient is φ = 6554647242.

The previous prime is 6554647207. The next prime is 6554647271. The reversal of 6554647243 is 3427464556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6554647243 - 2⁹ = 6554646731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6554647193 and 6554647202.

It is not a weakly prime, because it can be changed into another prime (6554647283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277323621 + 3277323622.

It is an arithmetic number, because the mean of its divisors is an integer number (3277323622).

Almost surely, 2^6554647243 is an apocalyptic number.

6554647243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6554647243 is an equidigital number, since it uses as much as digits as its factorization.

6554647243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 46.

The square root of 6554647243 is about 80960.7759535443. The cubic root of 6554647243 is about 1871.4710267406.

The spelling of 6554647243 in words is "six billion, five hundred fifty-four million, six hundred forty-seven thousand, two hundred forty-three".