204255314619 has 32 divisors (see below), whose sum is σ = 311273694720. Its totient is φ = 118360822272.

The previous prime is 204255314611. The next prime is 204255314639. The reversal of 204255314619 is 916413552402.

It is not a de Polignac number, because 204255314619 - 2³ = 204255314611 is a prime.

It is a super-2 number, since 2×204255314619² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204255314611) 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, 2968237 + ... + 3036270.

It is an arithmetic number, because the mean of its divisors is an integer number (9727302960).

Almost surely, 2^204255314619 is an apocalyptic number.

204255314619 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

204255314619 is a deficient number, since it is larger than the sum of its proper divisors (107018380101).

204255314619 is a wasteful number, since it uses less digits than its factorization.

204255314619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004579.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 204255314619 in words is "two hundred four billion, two hundred fifty-five million, three hundred fourteen thousand, six hundred nineteen".