204067364971 has 4 divisors (see below), whose sum is σ = 204068451744. Its totient is φ = 204066278200.

The previous prime is 204067364957. The next prime is 204067364987. The reversal of 204067364971 is 179463760402.

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, and also an emirpimes, since its reverse is a distinct semiprime: 179463760402 = 2 ⋅89731880201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204067364971 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204067364911) 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, 181300 + ... + 664081.

It is an arithmetic number, because the mean of its divisors is an integer number (51017112936).

Almost surely, 2^204067364971 is an apocalyptic number.

204067364971 is a deficient number, since it is larger than the sum of its proper divisors (1086773).

204067364971 is an equidigital number, since it uses as much as digits as its factorization.

204067364971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086772.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 204067364971 in words is "two hundred four billion, sixty-seven million, three hundred sixty-four thousand, nine hundred seventy-one".