564651378571061 has 2 divisors, whose sum is σ = 564651378571062. Its totient is φ = 564651378571060.

The previous prime is 564651378571037. The next prime is 564651378571121. The reversal of 564651378571061 is 160175873156465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500452424190436 + 64198954380625 = 22370794^2 + 8012425^2 .

It is a cyclic number.

It is not a de Polignac number, because 564651378571061 - 2⁶ = 564651378570997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564651378571031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282325689285530 + 282325689285531.

It is an arithmetic number, because the mean of its divisors is an integer number (282325689285531).

Almost surely, 2^{564651378571061} is an apocalyptic number.

It is an amenable number.

564651378571061 is a deficient number, since it is larger than the sum of its proper divisors (1).

564651378571061 is an equidigital number, since it uses as much as digits as its factorization.

564651378571061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008000, while the sum is 65.

The spelling of 564651378571061 in words is "five hundred sixty-four trillion, six hundred fifty-one billion, three hundred seventy-eight million, five hundred seventy-one thousand, sixty-one".