204451052153 has 4 divisors (see below), whose sum is σ = 204476995728. Its totient is φ = 204425108580.

The previous prime is 204451052131. The next prime is 204451052249. The reversal of 204451052153 is 351250154402.

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 not a de Polignac number, because 204451052153 - 2⁶ = 204451052089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204451052453) 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, 12959963 + ... + 12975728.

It is an arithmetic number, because the mean of its divisors is an integer number (51119248932).

Almost surely, 2^204451052153 is an apocalyptic number.

It is an amenable number.

204451052153 is a deficient number, since it is larger than the sum of its proper divisors (25943575).

204451052153 is an equidigital number, since it uses as much as digits as its factorization.

204451052153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25943574.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 204451052153 in words is "two hundred four billion, four hundred fifty-one million, fifty-two thousand, one hundred fifty-three".