563494949494365 has 32 divisors (see below), whose sum is σ = 1030462476837120. Its totient is φ = 257579763185664.

The previous prime is 563494949494361. The next prime is 563494949494369.

563494949494365 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (563494949494361) and next prime (563494949494369).

It is not a de Polignac number, because 563494949494365 - 2² = 563494949494361 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563494949494361) 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 31 ways as a sum of consecutive naturals, for example, 185234194 + ... + 188251683.

It is an arithmetic number, because the mean of its divisors is an integer number (32201952401160).

Almost surely, 2^{563494949494365} is an apocalyptic number.

It is an amenable number.

563494949494365 is a deficient number, since it is larger than the sum of its proper divisors (466967527342755).

563494949494365 is a wasteful number, since it uses less digits than its factorization.

563494949494365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373500261.

The product of its digits is 54419558400, while the sum is 84.

The spelling of 563494949494365 in words is "five hundred sixty-three trillion, four hundred ninety-four billion, nine hundred forty-nine million, four hundred ninety-four thousand, three hundred sixty-five".