564145216459369 has 2 divisors, whose sum is σ = 564145216459370. Its totient is φ = 564145216459368.

The previous prime is 564145216459333. The next prime is 564145216459471. The reversal of 564145216459369 is 963954612541465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314094626971225 + 250050589488144 = 17722715^2 + 15812988^2 .

It is a cyclic number.

It is not a de Polignac number, because 564145216459369 - 2¹⁵ = 564145216426601 is a prime.

It is a super-2 number, since 2×564145216459369² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564145216459298 and 564145216459307.

It is not a weakly prime, because it can be changed into another prime (564145216453369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282072608229684 + 282072608229685.

It is an arithmetic number, because the mean of its divisors is an integer number (282072608229685).

Almost surely, 2^{564145216459369} is an apocalyptic number.

It is an amenable number.

564145216459369 is a deficient number, since it is larger than the sum of its proper divisors (1).

564145216459369 is an equidigital number, since it uses as much as digits as its factorization.

564145216459369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808000, while the sum is 70.

The spelling of 564145216459369 in words is "five hundred sixty-four trillion, one hundred forty-five billion, two hundred sixteen million, four hundred fifty-nine thousand, three hundred sixty-nine".