564855531373 has 16 divisors (see below), whose sum is σ = 649620080640. Its totient is φ = 481114108800.

The previous prime is 564855531293. The next prime is 564855531379. The reversal of 564855531373 is 373135558465.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 564855531373 - 2¹³ = 564855523181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564855531379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033633 + ... + 1482601.

It is an arithmetic number, because the mean of its divisors is an integer number (40601255040).

Almost surely, 2^564855531373 is an apocalyptic number.

It is an amenable number.

564855531373 is a deficient number, since it is larger than the sum of its proper divisors (84764549267).

564855531373 is a wasteful number, since it uses less digits than its factorization.

564855531373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450108.

The product of its digits is 22680000, while the sum is 55.

The spelling of 564855531373 in words is "five hundred sixty-four billion, eight hundred fifty-five million, five hundred thirty-one thousand, three hundred seventy-three".