204454445013 has 96 divisors (see below), whose sum is σ = 365775201792. Its totient is φ = 107163648000.

The previous prime is 204454445011. The next prime is 204454445029. The reversal of 204454445013 is 310544454402.

204454445013 is a `hidden beast` number, since 20 + 44 + 54 + 44 + 501 + 3 = 666.

It is not a de Polignac number, because 204454445013 - 2¹ = 204454445011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204454445011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127703413 + ... + 127705013.

It is an arithmetic number, because the mean of its divisors is an integer number (3810158352).

Almost surely, 2^204454445013 is an apocalyptic number.

It is an amenable number.

204454445013 is a deficient number, since it is larger than the sum of its proper divisors (161320756779).

204454445013 is a wasteful number, since it uses less digits than its factorization.

204454445013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515 (or 2512 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 204454445013 its reverse (310544454402), we get a palindrome (514998899415).

The spelling of 204454445013 in words is "two hundred four billion, four hundred fifty-four million, four hundred forty-five thousand, thirteen".