204350466563 has 4 divisors (see below), whose sum is σ = 204476688360. Its totient is φ = 204224244768.

The previous prime is 204350466503. The next prime is 204350466581. The reversal of 204350466563 is 365664053402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204350466563 - 2²⁶ = 204283357699 is a prime.

It is a super-2 number, since 2×204350466563² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204350466503) 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, 63108470 + ... + 63111707.

It is an arithmetic number, because the mean of its divisors is an integer number (51119172090).

Almost surely, 2^204350466563 is an apocalyptic number.

204350466563 is a deficient number, since it is larger than the sum of its proper divisors (126221797).

204350466563 is a wasteful number, since it uses less digits than its factorization.

204350466563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126221796.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 204350466563 in words is "two hundred four billion, three hundred fifty million, four hundred sixty-six thousand, five hundred sixty-three".