204576236412445 has 8 divisors (see below), whose sum is σ = 245691232671960. Its totient is φ = 163527823145280.

The previous prime is 204576236412433. The next prime is 204576236412497. The reversal of 204576236412445 is 544214632675402.

It can be written as a sum of positive squares in 4 ways, for example, as 49915623879801 + 154660612532644 = 7065099^2 + 12436262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204576236412445 - 2²³ = 204576228023837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16645741326 + ... + 16645753615.

It is an arithmetic number, because the mean of its divisors is an integer number (30711404083995).

Almost surely, 2^{204576236412445} is an apocalyptic number.

It is an amenable number.

204576236412445 is a deficient number, since it is larger than the sum of its proper divisors (41114996259515).

204576236412445 is a wasteful number, since it uses less digits than its factorization.

204576236412445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33291496175.

The product of its (nonzero) digits is 38707200, while the sum is 55.

The spelling of 204576236412445 in words is "two hundred four trillion, five hundred seventy-six billion, two hundred thirty-six million, four hundred twelve thousand, four hundred forty-five".