6546744528197 has 2 divisors, whose sum is σ = 6546744528198. Its totient is φ = 6546744528196.

The previous prime is 6546744528133. The next prime is 6546744528209. The reversal of 6546744528197 is 7918254476456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4803325339201 + 1743419188996 = 2191649^2 + 1320386^2 .

It is a cyclic number.

It is not a de Polignac number, because 6546744528197 - 2⁶ = 6546744528133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6246744528197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273372264098 + 3273372264099.

It is an arithmetic number, because the mean of its divisors is an integer number (3273372264099).

Almost surely, 2^{6546744528197} is an apocalyptic number.

It is an amenable number.

6546744528197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546744528197 is an equidigital number, since it uses as much as digits as its factorization.

6546744528197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 406425600, while the sum is 68.

The spelling of 6546744528197 in words is "six trillion, five hundred forty-six billion, seven hundred forty-four million, five hundred twenty-eight thousand, one hundred ninety-seven".