564731201557 has 2 divisors, whose sum is σ = 564731201558. Its totient is φ = 564731201556.

The previous prime is 564731201549. The next prime is 564731201563. The reversal of 564731201557 is 755102137465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480590016516 + 84141185041 = 693246^2 + 290071^2 .

It is a cyclic number.

It is not a de Polignac number, because 564731201557 - 2³ = 564731201549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564731201527) 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, 282365600778 + 282365600779.

It is an arithmetic number, because the mean of its divisors is an integer number (282365600779).

Almost surely, 2^564731201557 is an apocalyptic number.

It is an amenable number.

564731201557 is a deficient number, since it is larger than the sum of its proper divisors (1).

564731201557 is an equidigital number, since it uses as much as digits as its factorization.

564731201557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 564731201557 in words is "five hundred sixty-four billion, seven hundred thirty-one million, two hundred one thousand, five hundred fifty-seven".