6546679213 has 2 divisors, whose sum is σ = 6546679214. Its totient is φ = 6546679212.

The previous prime is 6546679189. The next prime is 6546679219. The reversal of 6546679213 is 3129766456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5971734729 + 574944484 = 77277^2 + 23978^2 .

It is a cyclic number.

It is not a de Polignac number, because 6546679213 - 2²¹ = 6544582061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6546679219) 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, 3273339606 + 3273339607.

It is an arithmetic number, because the mean of its divisors is an integer number (3273339607).

Almost surely, 2^6546679213 is an apocalyptic number.

It is an amenable number.

6546679213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546679213 is an equidigital number, since it uses as much as digits as its factorization.

6546679213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 6546679213 is about 80911.5517895931. The cubic root of 6546679213 is about 1870.7123800743.

The spelling of 6546679213 in words is "six billion, five hundred forty-six million, six hundred seventy-nine thousand, two hundred thirteen".