64427276213 has 2 divisors, whose sum is σ = 64427276214. Its totient is φ = 64427276212.

The previous prime is 64427276201. The next prime is 64427276227. The reversal of 64427276213 is 31267272446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32743988209 + 31683288004 = 180953^2 + 177998^2 .

It is a cyclic number.

It is not a de Polignac number, because 64427276213 - 2⁴ = 64427276197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64427276113) 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, 32213638106 + 32213638107.

It is an arithmetic number, because the mean of its divisors is an integer number (32213638107).

Almost surely, 2^64427276213 is an apocalyptic number.

It is an amenable number.

64427276213 is a deficient number, since it is larger than the sum of its proper divisors (1).

64427276213 is an equidigital number, since it uses as much as digits as its factorization.

64427276213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 44.

The spelling of 64427276213 in words is "sixty-four billion, four hundred twenty-seven million, two hundred seventy-six thousand, two hundred thirteen".