204194500053 has 16 divisors (see below), whose sum is σ = 285212755200. Its totient is φ = 129771794880.

The previous prime is 204194500051. The next prime is 204194500091. The reversal of 204194500053 is 350005491402.

It is not a de Polignac number, because 204194500053 - 2¹ = 204194500051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204194499987 and 204194500023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204194500051) 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, 14847958 + ... + 14861703.

It is an arithmetic number, because the mean of its divisors is an integer number (17825797200).

Almost surely, 2^204194500053 is an apocalyptic number.

It is an amenable number.

204194500053 is a deficient number, since it is larger than the sum of its proper divisors (81018255147).

204194500053 is a wasteful number, since it uses less digits than its factorization.

204194500053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29709772.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 204194500053 its reverse (350005491402), we get a palindrome (554199991455).

The spelling of 204194500053 in words is "two hundred four billion, one hundred ninety-four million, five hundred thousand, fifty-three".