564746680380191 has 2 divisors, whose sum is σ = 564746680380192. Its totient is φ = 564746680380190.

The previous prime is 564746680380143. The next prime is 564746680380203. The reversal of 564746680380191 is 191083086647465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564746680380191 is a prime.

It is a super-2 number, since 2×564746680380191² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564746680380131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282373340190095 + 282373340190096.

It is an arithmetic number, because the mean of its divisors is an integer number (282373340190096).

Almost surely, 2^{564746680380191} is an apocalyptic number.

564746680380191 is a deficient number, since it is larger than the sum of its proper divisors (1).

564746680380191 is an equidigital number, since it uses as much as digits as its factorization.

564746680380191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 564746680380191 in words is "five hundred sixty-four trillion, seven hundred forty-six billion, six hundred eighty million, three hundred eighty thousand, one hundred ninety-one".