6545346673 has 2 divisors, whose sum is σ = 6545346674. Its totient is φ = 6545346672.

The previous prime is 6545346667. The next prime is 6545346679. The reversal of 6545346673 is 3766435456.

It is a balanced prime because it is at equal distance from previous prime (6545346667) and next prime (6545346679).

It can be written as a sum of positive squares in only one way, i.e., 5681692129 + 863654544 = 75377^2 + 29388^2 .

It is a cyclic number.

It is not a de Polignac number, because 6545346673 - 2²⁹ = 6008475761 is a prime.

It is not a weakly prime, because it can be changed into another prime (6545346679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272673336 + 3272673337.

It is an arithmetic number, because the mean of its divisors is an integer number (3272673337).

Almost surely, 2^6545346673 is an apocalyptic number.

It is an amenable number.

6545346673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545346673 is an equidigital number, since it uses as much as digits as its factorization.

6545346673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 49.

The square root of 6545346673 is about 80903.3168232304. The cubic root of 6545346673 is about 1870.5854471085.

The spelling of 6545346673 in words is "six billion, five hundred forty-five million, three hundred forty-six thousand, six hundred seventy-three".