564746506233845 has 8 divisors (see below), whose sum is σ = 729826254209976. Its totient is φ = 417043573834176.

The previous prime is 564746506233821. The next prime is 564746506233857. The reversal of 564746506233845 is 548332605647465.

It can be written as a sum of positive squares in 4 ways, for example, as 9615512590321 + 555130993643524 = 3100889^2 + 23561218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564746506233845 - 2⁸ = 564746506233589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4344203894042 + ... + 4344203894171.

It is an arithmetic number, because the mean of its divisors is an integer number (91228281776247).

Almost surely, 2^{564746506233845} is an apocalyptic number.

It is an amenable number.

564746506233845 is a deficient number, since it is larger than the sum of its proper divisors (165079747976131).

564746506233845 is a wasteful number, since it uses less digits than its factorization.

564746506233845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8688407788231.

The product of its (nonzero) digits is 1741824000, while the sum is 68.

The spelling of 564746506233845 in words is "five hundred sixty-four trillion, seven hundred forty-six billion, five hundred six million, two hundred thirty-three thousand, eight hundred forty-five".