204841551783 has 32 divisors (see below), whose sum is σ = 314106642432. Its totient is φ = 117585439200.

The previous prime is 204841551743. The next prime is 204841551791. The reversal of 204841551783 is 387155148402.

204841551783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204841551783 - 2²⁸ = 204573116327 is a prime.

It is a super-2 number, since 2×204841551783² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204841551703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2082091 + ... + 2178252.

It is an arithmetic number, because the mean of its divisors is an integer number (9815832576).

Almost surely, 2^204841551783 is an apocalyptic number.

204841551783 is a deficient number, since it is larger than the sum of its proper divisors (109265090649).

204841551783 is a wasteful number, since it uses less digits than its factorization.

204841551783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260435.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 204841551783 in words is "two hundred four billion, eight hundred forty-one million, five hundred fifty-one thousand, seven hundred eighty-three".