204714489819 has 12 divisors (see below), whose sum is σ = 317516351784. Its totient is φ = 116979708384.

The previous prime is 204714489769. The next prime is 204714489877. The reversal of 204714489819 is 918984417402.

It is a de Polignac number, because none of the positive numbers 2^k-204714489819 is a prime.

It is a super-2 number, since 2×204714489819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204714489619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696307642 + ... + 696307935.

It is an arithmetic number, because the mean of its divisors is an integer number (26459695982).

Almost surely, 2^204714489819 is an apocalyptic number.

204714489819 is a deficient number, since it is larger than the sum of its proper divisors (112801861965).

204714489819 is a wasteful number, since it uses less digits than its factorization.

204714489819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392615594 (or 1392615587 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 204714489819 in words is "two hundred four billion, seven hundred fourteen million, four hundred eighty-nine thousand, eight hundred nineteen".