563642026365 has 24 divisors (see below), whose sum is σ = 991264657824. Its totient is φ = 273280981600.

The previous prime is 563642026327. The next prime is 563642026369. The reversal of 563642026365 is 563620246365.

It is a happy number.

It is not a de Polignac number, because 563642026365 - 2¹² = 563642022269 is a prime.

It is a super-2 number, since 2×563642026365² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563642026369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155271471 + ... + 155275100.

It is an arithmetic number, because the mean of its divisors is an integer number (41302694076).

Almost surely, 2^563642026365 is an apocalyptic number.

563642026365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

563642026365 is a deficient number, since it is larger than the sum of its proper divisors (427622631459).

563642026365 is a wasteful number, since it uses less digits than its factorization.

563642026365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310546601 (or 310546590 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 563642026365 in words is "five hundred sixty-three billion, six hundred forty-two million, twenty-six thousand, three hundred sixty-five".