6546996493 has 2 divisors, whose sum is σ = 6546996494. Its totient is φ = 6546996492.

The previous prime is 6546996427. The next prime is 6546996503. The reversal of 6546996493 is 3946996456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6541250884 + 5745609 = 80878^2 + 2397^2 .

It is a cyclic number.

It is not a de Polignac number, because 6546996493 - 2¹⁷ = 6546865421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6546936493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273498246 + 3273498247.

It is an arithmetic number, because the mean of its divisors is an integer number (3273498247).

Almost surely, 2^6546996493 is an apocalyptic number.

It is an amenable number.

6546996493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546996493 is an equidigital number, since it uses as much as digits as its factorization.

6546996493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37791360, while the sum is 61.

The square root of 6546996493 is about 80913.5124253051. The cubic root of 6546996493 is about 1870.7426004866.

The spelling of 6546996493 in words is "six billion, five hundred forty-six million, nine hundred ninety-six thousand, four hundred ninety-three".