204034781084317 has 16 divisors (see below), whose sum is σ = 204418188000000. Its totient is φ = 203651790451200.

The previous prime is 204034781084279. The next prime is 204034781084347. The reversal of 204034781084317 is 713480187430402.

It is a cyclic number.

It is not a de Polignac number, because 204034781084317 - 2¹¹ = 204034781082269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204034781084347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6529306309 + ... + 6529337557.

It is an arithmetic number, because the mean of its divisors is an integer number (12776136750000).

Almost surely, 2^{204034781084317} is an apocalyptic number.

It is an amenable number.

204034781084317 is a deficient number, since it is larger than the sum of its proper divisors (383406915683).

204034781084317 is a wasteful number, since it uses less digits than its factorization.

204034781084317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37524.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 204034781084317 in words is "two hundred four trillion, thirty-four billion, seven hundred eighty-one million, eighty-four thousand, three hundred seventeen".