563402623631645 has 8 divisors (see below), whose sum is σ = 772666455266304. Its totient is φ = 386333227633104.

The previous prime is 563402623631629. The next prime is 563402623631657. The reversal of 563402623631645 is 546136326204365.

It is a happy number.

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 563402623631645 - 2⁴ = 563402623631629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8048608908989 + ... + 8048608909058.

It is an arithmetic number, because the mean of its divisors is an integer number (96583306908288).

Almost surely, 2^{563402623631645} is an apocalyptic number.

It is an amenable number.

563402623631645 is a deficient number, since it is larger than the sum of its proper divisors (209263831634659).

563402623631645 is a wasteful number, since it uses less digits than its factorization.

563402623631645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097217818059.

The product of its (nonzero) digits is 55987200, while the sum is 56.

The spelling of 563402623631645 in words is "five hundred sixty-three trillion, four hundred two billion, six hundred twenty-three million, six hundred thirty-one thousand, six hundred forty-five".