204740269651 has 8 divisors (see below), whose sum is σ = 206276251824. Its totient is φ = 203204889600.

The previous prime is 204740269621. The next prime is 204740269661. The reversal of 204740269651 is 156962047402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204740269651 - 2¹³ = 204740261459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204740269621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544051 + ... + 839923.

It is an arithmetic number, because the mean of its divisors is an integer number (25784531478).

Almost surely, 2^204740269651 is an apocalyptic number.

204740269651 is a deficient number, since it is larger than the sum of its proper divisors (1535982173).

204740269651 is a wasteful number, since it uses less digits than its factorization.

204740269651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301061.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 204740269651 in words is "two hundred four billion, seven hundred forty million, two hundred sixty-nine thousand, six hundred fifty-one".