204662638283 has 4 divisors (see below), whose sum is σ = 204663626760. Its totient is φ = 204661649808.

The previous prime is 204662638273. The next prime is 204662638303. The reversal of 204662638283 is 382836266402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 204662638283 - 2¹⁴ = 204662621899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204662638273) 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, 51410 + ... + 641847.

It is an arithmetic number, because the mean of its divisors is an integer number (51165906690).

Almost surely, 2^204662638283 is an apocalyptic number.

204662638283 is a deficient number, since it is larger than the sum of its proper divisors (988477).

204662638283 is an equidigital number, since it uses as much as digits as its factorization.

204662638283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988476.

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 204662638283 in words is "two hundred four billion, six hundred sixty-two million, six hundred thirty-eight thousand, two hundred eighty-three".