564326663507 has 4 divisors (see below), whose sum is σ = 566164861416. Its totient is φ = 562488465600.

The previous prime is 564326663503. The next prime is 564326663561. The reversal of 564326663507 is 705366623465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564326663507 - 2² = 564326663503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564326663503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919098494 + ... + 919099107.

It is an arithmetic number, because the mean of its divisors is an integer number (141541215354).

Almost surely, 2^564326663507 is an apocalyptic number.

564326663507 is a deficient number, since it is larger than the sum of its proper divisors (1838197909).

564326663507 is a wasteful number, since it uses less digits than its factorization.

564326663507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838197908.

The product of its (nonzero) digits is 16329600, while the sum is 53.

The spelling of 564326663507 in words is "five hundred sixty-four billion, three hundred twenty-six million, six hundred sixty-three thousand, five hundred seven".