564512477509 has 2 divisors, whose sum is σ = 564512477510. Its totient is φ = 564512477508.

The previous prime is 564512477483. The next prime is 564512477561. The reversal of 564512477509 is 905774215465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564372055009 + 140422500 = 751247^2 + 11850^2 .

It is a cyclic number.

It is not a de Polignac number, because 564512477509 - 2¹³ = 564512469317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564512477509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564512477909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282256238754 + 282256238755.

It is an arithmetic number, because the mean of its divisors is an integer number (282256238755).

Almost surely, 2^564512477509 is an apocalyptic number.

It is an amenable number.

564512477509 is a deficient number, since it is larger than the sum of its proper divisors (1).

564512477509 is an equidigital number, since it uses as much as digits as its factorization.

564512477509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 564512477509 in words is "five hundred sixty-four billion, five hundred twelve million, four hundred seventy-seven thousand, five hundred nine".