563332672321 has 4 divisors (see below), whose sum is σ = 563410028592. Its totient is φ = 563255316052.

The previous prime is 563332672319. The next prime is 563332672369. The reversal of 563332672321 is 123276233365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123276233365 = 5 ⋅24655246673.

It is a cyclic number.

It is not a de Polignac number, because 563332672321 - 2¹ = 563332672319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563332672121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38667211 + ... + 38681776.

It is an arithmetic number, because the mean of its divisors is an integer number (140852507148).

Almost surely, 2^563332672321 is an apocalyptic number.

It is an amenable number.

563332672321 is a deficient number, since it is larger than the sum of its proper divisors (77356271).

563332672321 is an equidigital number, since it uses as much as digits as its factorization.

563332672321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77356270.

The product of its digits is 816480, while the sum is 43.

The spelling of 563332672321 in words is "five hundred sixty-three billion, three hundred thirty-two million, six hundred seventy-two thousand, three hundred twenty-one".