563402623631663 has 8 divisors (see below), whose sum is σ = 566530142645376. Its totient is φ = 560275267226400.

The previous prime is 563402623631657. The next prime is 563402623631723. The reversal of 563402623631663 is 366136326204365.

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 563402623631663 - 2³⁰ = 563401549889839 is a prime.

It is a super-2 number, since 2×563402623631663² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 563402623631599 and 563402623631608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563402623631623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33700028 + ... + 47565713.

It is an arithmetic number, because the mean of its divisors is an integer number (70816267830672).

Almost surely, 2^{563402623631663} is an apocalyptic number.

563402623631663 is a deficient number, since it is larger than the sum of its proper divisors (3127519013713).

563402623631663 is a wasteful number, since it uses less digits than its factorization.

563402623631663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81304225.

The product of its (nonzero) digits is 50388480, while the sum is 56.

The spelling of 563402623631663 in words is "five hundred sixty-three trillion, four hundred two billion, six hundred twenty-three million, six hundred thirty-one thousand, six hundred sixty-three".