204254325412453 has 4 divisors (see below), whose sum is σ = 215004553065760. Its totient is φ = 193504097759148.

The previous prime is 204254325412447. The next prime is 204254325412457. The reversal of 204254325412453 is 354214523452402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204254325412453 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 (204254325412457) 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, 5375113826625 + ... + 5375113826662.

It is an arithmetic number, because the mean of its divisors is an integer number (53751138266440).

Almost surely, 2^{204254325412453} is an apocalyptic number.

It is an amenable number.

204254325412453 is a deficient number, since it is larger than the sum of its proper divisors (10750227653307).

204254325412453 is a wasteful number, since it uses less digits than its factorization.

204254325412453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10750227653306.

The product of its (nonzero) digits is 4608000, while the sum is 46.

Adding to 204254325412453 its reverse (354214523452402), we get a palindrome (558468848864855).

The spelling of 204254325412453 in words is "two hundred four trillion, two hundred fifty-four billion, three hundred twenty-five million, four hundred twelve thousand, four hundred fifty-three".