6549341143 has 2 divisors, whose sum is σ = 6549341144. Its totient is φ = 6549341142.

The previous prime is 6549341129. The next prime is 6549341153. The reversal of 6549341143 is 3411439456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6549341143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6549341096 and 6549341105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6549341153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274670571 + 3274670572.

It is an arithmetic number, because the mean of its divisors is an integer number (3274670572).

Almost surely, 2^6549341143 is an apocalyptic number.

6549341143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6549341143 is an equidigital number, since it uses as much as digits as its factorization.

6549341143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 6549341143 is about 80927.9997466884. Note that the first 3 decimals coincide. The cubic root of 6549341143 is about 1870.9658943863.

The spelling of 6549341143 in words is "six billion, five hundred forty-nine million, three hundred forty-one thousand, one hundred forty-three".