204542110413 has 16 divisors (see below), whose sum is σ = 303367013760. Its totient is φ = 136207657728.

The previous prime is 204542110393. The next prime is 204542110453. The reversal of 204542110413 is 314011245402.

204542110413 is a `hidden beast` number, since 2 + 0 + 4 + 542 + 1 + 104 + 13 = 666.

It is not a de Polignac number, because 204542110413 - 2⁶ = 204542110349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204542110453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4246420 + ... + 4294317.

It is an arithmetic number, because the mean of its divisors is an integer number (18960438360).

Almost surely, 2^204542110413 is an apocalyptic number.

It is an amenable number.

204542110413 is a deficient number, since it is larger than the sum of its proper divisors (98824903347).

204542110413 is an equidigital number, since it uses as much as digits as its factorization.

204542110413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541633 (or 8541627 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 204542110413 its reverse (314011245402), we get a palindrome (518553355815).

The spelling of 204542110413 in words is "two hundred four billion, five hundred forty-two million, one hundred ten thousand, four hundred thirteen".