204554143213 has 8 divisors (see below), whose sum is σ = 233831294528. Its totient is φ = 175290774624.

The previous prime is 204554143201. The next prime is 204554143217. The reversal of 204554143213 is 312341455402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204554143213 - 2⁵ = 204554143181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204554143217) 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, 3413856 + ... + 3473257.

It is an arithmetic number, because the mean of its divisors is an integer number (29228911816).

Almost surely, 2^204554143213 is an apocalyptic number.

It is an amenable number.

204554143213 is a deficient number, since it is larger than the sum of its proper divisors (29277151315).

204554143213 is an equidigital number, since it uses as much as digits as its factorization.

204554143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891363.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 204554143213 its reverse (312341455402), we get a palindrome (516895598615).

The spelling of 204554143213 in words is "two hundred four billion, five hundred fifty-four million, one hundred forty-three thousand, two hundred thirteen".