204697963268 has 6 divisors (see below), whose sum is σ = 358221435726. Its totient is φ = 102348981632.

The previous prime is 204697963259. The next prime is 204697963307. The reversal of 204697963268 is 862369796402.

It can be written as a sum of positive squares in only one way, i.e., 182446871044 + 22251092224 = 427138^2 + 149168^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204697963268.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25587245405 + ... + 25587245412.

It is an arithmetic number, because the mean of its divisors is an integer number (59703572621).

Almost surely, 2^204697963268 is an apocalyptic number.

It is an amenable number.

204697963268 is a deficient number, since it is larger than the sum of its proper divisors (153523472458).

204697963268 is a wasteful number, since it uses less digits than its factorization.

204697963268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51174490821 (or 51174490819 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 204697963268 in words is "two hundred four billion, six hundred ninety-seven million, nine hundred sixty-three thousand, two hundred sixty-eight".