204368206479 has 4 divisors (see below), whose sum is σ = 272490941976. Its totient is φ = 136245470984.

The previous prime is 204368206477. The next prime is 204368206499. The reversal of 204368206479 is 974602863402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204368206479 - 2¹ = 204368206477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204368206477) 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, 34061367744 + ... + 34061367749.

It is an arithmetic number, because the mean of its divisors is an integer number (68122735494).

Almost surely, 2^204368206479 is an apocalyptic number.

204368206479 is a deficient number, since it is larger than the sum of its proper divisors (68122735497).

204368206479 is an equidigital number, since it uses as much as digits as its factorization.

204368206479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68122735496.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 204368206479 in words is "two hundred four billion, three hundred sixty-eight million, two hundred six thousand, four hundred seventy-nine".