564721653323 has 8 divisors (see below), whose sum is σ = 567632026368. Its totient is φ = 561817062184.

The previous prime is 564721653317. The next prime is 564721653329. The reversal of 564721653323 is 323356127465.

It is an interprime number because it is at equal distance from previous prime (564721653317) and next prime (564721653329).

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 564721653323 - 2¹⁴ = 564721636939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564721653329) 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 7 ways as a sum of consecutive naturals, for example, 1249565 + ... + 1640382.

It is an arithmetic number, because the mean of its divisors is an integer number (70954003296).

Almost surely, 2^564721653323 is an apocalyptic number.

564721653323 is a deficient number, since it is larger than the sum of its proper divisors (2910373045).

564721653323 is a wasteful number, since it uses less digits than its factorization.

564721653323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890953.

The product of its digits is 2721600, while the sum is 47.

The spelling of 564721653323 in words is "five hundred sixty-four billion, seven hundred twenty-one million, six hundred fifty-three thousand, three hundred twenty-three".