204642614405 has 16 divisors (see below), whose sum is σ = 248966784000. Its totient is φ = 161450898048.

The previous prime is 204642614389. The next prime is 204642614417. The reversal of 204642614405 is 504416246402.

It is a cyclic number.

It is not a de Polignac number, because 204642614405 - 2⁴ = 204642614389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3253484 + ... + 3315786.

It is an arithmetic number, because the mean of its divisors is an integer number (15560424000).

Almost surely, 2^204642614405 is an apocalyptic number.

It is an amenable number.

204642614405 is a deficient number, since it is larger than the sum of its proper divisors (44324169595).

204642614405 is an equidigital number, since it uses as much as digits as its factorization.

204642614405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71380.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 204642614405 in words is "two hundred four billion, six hundred forty-two million, six hundred fourteen thousand, four hundred five".