204919024479 has 16 divisors (see below), whose sum is σ = 294285997152. Its totient is φ = 126085459968.

The previous prime is 204919024477. The next prime is 204919024483. The reversal of 204919024479 is 974420919402.

It is not a de Polignac number, because 204919024479 - 2¹ = 204919024477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204919024477) 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, 115714 + ... + 650559.

It is an arithmetic number, because the mean of its divisors is an integer number (18392874822).

Almost surely, 2^204919024479 is an apocalyptic number.

204919024479 is a deficient number, since it is larger than the sum of its proper divisors (89366972673).

204919024479 is a wasteful number, since it uses less digits than its factorization.

204919024479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773146.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 204919024479 in words is "two hundred four billion, nine hundred nineteen million, twenty-four thousand, four hundred seventy-nine".