204790971833 has 4 divisors (see below), whose sum is σ = 234046824960. Its totient is φ = 175535118708.

The previous prime is 204790971829. The next prime is 204790971883. The reversal of 204790971833 is 338179097402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204790971833 - 2² = 204790971829 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204790971883) 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, 14627926553 + ... + 14627926566.

It is an arithmetic number, because the mean of its divisors is an integer number (58511706240).

Almost surely, 2^204790971833 is an apocalyptic number.

It is an amenable number.

204790971833 is a deficient number, since it is larger than the sum of its proper divisors (29255853127).

204790971833 is an equidigital number, since it uses as much as digits as its factorization.

204790971833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29255853126.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 204790971833 in words is "two hundred four billion, seven hundred ninety million, nine hundred seventy-one thousand, eight hundred thirty-three".