204684462089 has 32 divisors (see below), whose sum is σ = 211805798400. Its totient is φ = 197729006400.

The previous prime is 204684462079. The next prime is 204684462091. The reversal of 204684462089 is 980264486402.

It is a cyclic number.

It is not a de Polignac number, because 204684462089 - 2¹² = 204684457993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204684462089.

It is not an unprimeable number, because it can be changed into a prime (204684462079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534423992 + ... + 534424374.

It is an arithmetic number, because the mean of its divisors is an integer number (6618931200).

Almost surely, 2^204684462089 is an apocalyptic number.

It is an amenable number.

204684462089 is a deficient number, since it is larger than the sum of its proper divisors (7121336311).

204684462089 is a wasteful number, since it uses less digits than its factorization.

204684462089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 5308416, while the sum is 53.

The spelling of 204684462089 in words is "two hundred four billion, six hundred eighty-four million, four hundred sixty-two thousand, eighty-nine".