564243226335644 has 48 divisors (see below), whose sum is σ = 1024894993059840. Its totient is φ = 271519405577280.

The previous prime is 564243226335637. The next prime is 564243226335653. The reversal of 564243226335644 is 446533622342465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9859079 + ... + 35009825.

It is an arithmetic number, because the mean of its divisors is an integer number (21351979022080).

Almost surely, 2^{564243226335644} is an apocalyptic number.

It is an amenable number.

564243226335644 is a deficient number, since it is larger than the sum of its proper divisors (460651766724196).

564243226335644 is a wasteful number, since it uses less digits than its factorization.

564243226335644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151778 (or 25151776 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 59.

The spelling of 564243226335644 in words is "five hundred sixty-four trillion, two hundred forty-three billion, two hundred twenty-six million, three hundred thirty-five thousand, six hundred forty-four".